Solve the problem.You want to make an angle measuring 150° by marking an arc on the perimeter of a disk with a diameter of 8 inches and drawing lines from the ends of the arc to the disk's center. To the nearest tenth of an inch, how long should the arc be?
A. 10.5 in.
B. 5.2 in.
C. 41.9 in.
D. 20.9 in.
Answer: A
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Solve the problem.A high school basketball team has 10 members. If 7 of the team members are juniors, find the fraction of the team members that are juniors.
A. 
B. 
C. 
D. 
Solve the equation.z4 - 20z2 + 64 = 0
A. -4, - 2, 2 B. -4, -2, 2, 4 C. 4, 16 D. -2, -4, 4
Solve the problem.If 2 cards are drawn from a deck of 52 cards, what is the expected number of spades?
A. .25 B. .47 C. .50 D. .75
Solve and, when appropriate, round the answer to the nearest tenth.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 16.5 miles?
A. 408.5 ft B. 272.3 ft C. 110 ft D. 121 ft