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OG12 OG15 OG16	If m > 0 and x is m percent of y, then, in terms of m, y is what percent of x ?
OG12 OG15 OG16	What is the 25th digit to the right of the decimal point in the decimal form of $$\frac{6}{11}$$
OG12 OG15	John and Mary were each paid x dollars in advance to do a certain job together. John worked on the job for 10 hours and Mary worked 2 hours less than John. If Mary gave John y dollars of her payment so that they would have received the same hourly wage, what was the dollar amount, in terms of y, that John was paid in advance?
OG12 OG15 OG16 OG17	In the rectangular coordinate system above, if point R (not shown) lies on the positive y-axis and the area of triangle ORP is 12, what is the y-coordinate of point R ?
OG12 OG15 OG16 OG17	Car A is 20 miles behind Car B, which is traveling in the same direction along the same route as Car A. Car A is traveling at a constant speed of 58 miles per hour and Car B is traveling at a constant speed of 50 miles per hour. How many hours will it take for Car A to overtake and drive 8 miles ahead of Car B ?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022	For the past n days, the average (arithmetic mean) daily production at a company was 50 units. If today's production of 90 units raises the average to 55 units per day, what is the value of n ?
OG12 OG15 OG16 OG17	$${(\frac{x+1}{x-1})}^{2}$$If $${x}\neq{0}$$ and $${x}\neq{1}$$, and if x is replaced by $$\frac{1}{x}$$ everywhere in the expression above, then the resulting expression is equivalent to
OG15 OG16 OG17 OG12	In the figure above, if z = 50, then x + y =
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022	In the coordinate system above, which of the following is the equation of line ￡ ?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022	If a two-digit positive integer has its digits reversed, the resulting integer differs from the original by 27. By how much do the two digits differ?
OG12 OG15 OG16 OG17	The circle with center C shown above is tangent to both axes. If the distance from 0 to C is equal to k, what is the radius of the circle, in terms of k ?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022	In an electric circuit, two resistors with resistances x and y are connected in parallel. In this case, if r is the combined resistance of these two resistors, then the reciprocal of r is equal to the sum of the reciprocals of x and y. What is r in terms of x and y ?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022	Xavier, Yvonne, and Zelda each try independently to solve a problem. If their individual probabilities for success are $$\frac{1}{4}$$, $$\frac{1}{2}$$ and $$\frac{5}{8}$$ respectively, what is the probability that Xavier and Yvonne, but not Zelda, will solve the problem?
OG12 OG15 OG16 OG17 OG18 OG19 OG20 OG2022	if $$\frac{1}{x}-\frac{1}{x+1}=\frac{1}{x+4}$$ then x could be
OG12 OG15 OG16 OG17 OG18 OG19 OG19 OG20 OG2022	$$(\frac{1}{2})^{-3}(\frac{1}{4})^{-2}(\frac{1}{16})^{-1}=$$
OG12 OG15 OG16 OG17	In a certain game, a large container is filled with red, yellow, green, and blue beads worth, respectively, 7, 5, 3, and 2 points each. A number of beads are then removed from the container. If the product of the point values of the removed beads is 147,000, how many red beads were removed?
OG12 OG15	if $$\frac{2}{{1}+\frac{2}{y}}=1$$,then y=
OG12 OG15	If a, b, and c are consecutive positive integers and $$a < b < c$$, which of the following must be true?I c-a = 2II abc is an even integer.III $$\frac{a+b+c}{3}$$is an integer.
OG12	A part-time employee whose hourly wage was increased by 25 percent decided to reduce the number of hours worked per week so that the employee's total weekly income would remain unchanged. By what percent should the number of hours worked be reduced?
OG12 OG15 OG16 OG17	Of the 200 students at College T majoring in one or more of the sciences, 130 are majoring in chemistry and 150 are majoring in biology. If at least 30 of the students are not majoring in either chemistry or biology, then the number of students majoring in both chemistry and biology could be any number from