Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 209 feet?
A. 3.6 sec
B. 7.8 sec
C. 2.6 sec
D. 2.8 sec
Answer: D
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Find the requested probability.A box contains the following mixture of colored marbles: 2 black, 1 red, 4 yellow, and 2 green. If two marbles are drawn, the second being drawn after the first is replaced, then what is the probability that both are yellow?
A. 
B. 
C. 
D. 
For the pair of functions, perform the indicated operation.f(x) = x3 + 3x2, g(x) = 
Find (f + g)(x).
A. x3 +
B. x3 + 3x2 + x - 8
C. x3 + 3x2 + 
D. 
Solve the problem. Round to the nearest tenth if necessary.Shane is flying his kite on 48 yd of string. The kite is directly above the edge of a pond. The edge of a pond is 32 yd from where the kite is tied to the ground. How far is the kite above the pond?
A. 1280 yd B. 57.7 yd C. 35.8 yd D. 3328 yd
Solve the problem.Find the area A of a rectangle with length 4 in and width 15 in.
A. A = 60 in2 B. A = 19 in2 C. A = 16 in2 D. A = 120 in2