Factor.8y2 + 36y - 20
A. (8y - 4)(y + 5)
B. 8y2 - 36y - 20
C. 4(2y + 1)(y - 5)
D. 4(2y - 1)(y + 5)
Answer: D
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceAn athlete puts a 16-lb shot at an angle of 45° to the horizontal from 5.5 ft above the ground at an initial speed of 34 ft/sec. How far forward does the shot travel before it hits the ground? Round your answer to the nearest tenth.
A. 41 ft B. 123.2 ft C. 4.8 ft D. 1.7 ft
Use a calculator to evaluate the expression. If necessary, round answers to the nearest thousandth. (1.42)4.2
A. 1.159 B. 4.361 C. 4.362 D. 4.371
Solve the problem.The owner of a video store has determined that the profits P of the store are approximately given by 
where x is the number of videos rented daily. Find the maximum profit to the nearest dollar.
A. $502 B. $225 C. $277 D. $450
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.Speed is measured by distance divided by time.
A. If S represents speed, d distance, and t time, then t = 
.
B. If S represents speed, d distance, and t time, then S = 
.
C. If S represents speed, d distance, and t time, then d = 
.
D. If S represents speed, d distance, and t time, then S = 
.