Solve the problem. Round your answer to the nearest tenth, when appropriate.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is given by 
, where s is in feet. How long will it take the ball to fall 
?
A. 2.7 sec
B. 3.6 sec
C. 1.9 sec
D. 1.7 sec
Answer: C
Mathematics
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Consider a line with slope 1.20. What rise corresponds to a run of 4 feet? ?
A. 4.80 feet B. 0.30 feet C. 3.33 feet D. 5.61 feet
Mathematics
Solve the system of equations.
- 
= 1x + y = 7
A. (7, 0), (8.2, -1.2) B. (-7, 0), (8.2, -1.2) C. (-7, 0) D. (7, 0)
Mathematics
Simplify.
A. 2
B. 2(a - 5b)
C. 1
D. 
Mathematics
Graph the indicated new function, given the graph for y = f(x).y = af(x), where a satisfies 0 < a < 1
?
A. 
B. 
C. 
D. 
Mathematics