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181215	AB=3, BC=4. AD=DE, ∠ADB=∠ABC=90°,CE=?
PREP07 Test 2	The table shows the number of calls received by each of five operators during each of 4 one-hour periods. For which operator was the standard deviation of the numbers of calls received during these 4 periods the least?
Ready4	A box contains b blue balls and r red balls. If 4 blue balls and 3 red balls are added to the box, and if one ball is obtained at random from the box, then the probability that a blue ball is obtained can be represented by
	For each of the following combinations of Kaxna artifacts, select Yes if, based on the information provided, the cost of all pertinent techniques described can be shown to be within the museum's first-year Kaxna budget. Otherwise, select No.
Ready4	Car A and Car B are driving toward each other along a straight line. Car A travels at a constant speed of 60 miles per hour and Car B travels at a constant speed of 40 miles per hour. If at noon they are separated by a distance of 300 miles, at what time will they meet?
Ready4	If $x = {(\frac{1}{64})}^{- \frac{1}{6}}$ , what is $x$ ?
Ready4	If A = 12! + 14! + 6, which of the following numbers is a factor of A ?
Ready4	A square with 10-inch sides has a circle inscribed within it. What is the total area that is within the square but outside the circle?
190124	Which of the following functions has no intersection with the x axis?
190124	x=3 - $$\sqrt{2}$$ is the solution of which of the following equations?
	The product of two consecutive positive integers CANNOT be
	The graph shows the distributions of scores on official driving tests administered within a certain municipality for eight consecutive business days. Select from each drop-down menu the option that creates the most accurate statement, given the information provided. 13A The graph provides enough information to determine that the 13B over all of the days indicated in the graph is the same as that for combined.
OG12 OG15	A certain rectangular window is twice as long as it is wide. If its perimeter is 10 feet, then its dimensions in feet are
OG15 OG16 OG17 OG18	The numbers of cars sold at a certain dealership on six of the last seven business days were 4, 7, 2, 8, 3, and 6, respectively. If the number of cars sold on the seventh business day was either 2, 4, or 5, for which of the three values does the average (arithmetic mean) number of cars sold per business day for the seven business days equal the median number of cars sold per day for the seven days?I. 2II. 4III. 5
Ready4	Of the people at a certain movie, each person either likes or dislikes horror movies and each person either likes or dislikes romance movies. Of these people, $\tfrac{<font color='#FE8080'>4</font>}{5}$ dislike horror movies; and of those who dislike horror movies, $\frac{3}{<font color='#FE8080'>4</font>}$ also dislike romance movies. How many of the people like romance movies but dislike horror movies? (1) 150 people were at the movie. (2) 30 of the people like horror movies.
Ready4	Running at their respective constant rates, Machine M takes 4 days longer to produce $x$ widgets than Machine N. At these rates, if the two machines together produce $\frac{3}{<font color='#FE8080'>4</font>}x$ widgets in 2 days, how many days would it take Machine M alone to produce $5x$ widgets?
	All the following have the same value EXCEPT
Ready4	Given positive integers $x$ and $y$ where at least $x$ is odd, which of the following must also be odd?
Ready4	A couple decides to have four children. If they succeed in having four children and each child is equally likely to be a boy or a girl, what is the probability that they will have at least two girls?
Ready4	Sasha flips a coin 4 times. What is the probability that she will flip exactly 2 heads and 2 tails?