Factor completely.2y4 - 50y2
A. 2y2(y - 5)2
B. 2(y2 - 5y)(y2 + 5y)
C. 2y2(y - 5)(y + 5)
D. y2(2y2 - 50)
Answer: C
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Find the area of the region specified by the integral(s).
A. 
B. 
C. 972
D. 288
Subtract in the indicated base.
A. 32Dsixteen B. 32Fsixteen C. 33Esixteen D. 32Esixteen
Add.-31 + (-3)
A. -28 B. 28 C. -34 D. 34
Solve the problem.A person at the top of a 600 foot tall building drops a yellow ball. The height of the yellow ball is given by the equation src="https://sciemce.com/media/4/ppg__10616191712__f1q27g4.jpg" alt="" style="vertical-align: -4.0px;" /> where h is measured in feet and t is the number of seconds since the yellow ball was dropped. Find the time that the balls are the same distance above the ground and find this distance.
A. 5.5 sec; 116 ft
B. 5 sec; 200 ft
C. 4.5 sec; 276 ft
D. 6 sec; 24 ft
where h is measured in feet and t is the number of seconds since the yellow ball was dropped. A second person, in the same building but on a lower floor that is 
from the ground, drops a white ball 
after the yellow ball was dropped. The height of the white ball is given by the equation