Solve the problem.A ball is dropped from a height of 70 feet. On each bounce, it bounces to 86% of its previous height. How high does it get after the 8th bounce? (Round to the nearest hundredth, if necessary.)
A. 500 feet
B. 350.39 feet
C. 24.35 feet
D. 20.95 feet
Answer: D
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Solve the problem.The sum of a student's three scores is 229. If the first is 20 points more than the second, and the sum of the first two is 4 more than twice the third, what was the first score?
A. 67 B. 55 C. 75 D. 87
Determine where the function is increasing and where it is decreasing.g(x) = 10x2 + 180x + 710
A. increasing on (-?, -90) decreasing on (-90, ?) B. decreasing on (-?, 9) increasing on (9, ?) C. increasing on (-?, -9) decreasing on (-9, ?) D. decreasing on (-?, -9) increasing on (-9, ?)
Find an equation of a parabola satisfying the given conditions.Focus at (4, -5), directrix x = -2
A. (x - 4)2 = 12(y + 5) B. (y + 5)2 = 12(x - 1) C. (x + 5)2 = 12(y - 1) D. (y + 5)2 = 12(x - 4)
Solve the system.
- 
- 
= - 
- 
+ 
+ 
-17.0px;" /> = 
- 
- 
= - 
A. 
B. 
C. {(-1, 4, 5)}
D. {(-1, 4, -5)}