Find the indicated probability.A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. A marble is drawn at random from the bag. What is the probability of drawing a blue marble?
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.If f(x) = -3x + 7 and g(x) = -2x2 + 6x + 5, find g(f(-4)).
A. -603 B. 40 C. 160 D. 81
Find the product.(p - r)(p + r)
A. p2 - r2 B. 2p2 - r2 C. p2 - 2r2 D. p2 + r2
Solve the problem by integration.An object at the end of a spring is immersed in liquid. Its velocity (in cm/sec) is then described by the equation 
where t is the time (in sec). Find the displacement s as a function of t if 
for t = 0 sec.
A. s = e-3t + 
e-9t - 
B. s = -e-3t + 
e-9t + 
C. s = -e-3t - 
e-9t - 
D. s = -e-3t - 
e-9t + 
Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.How much will it cost to carpet a 15 ft by 20 ft room if carpeting costs $17.50 per square yard?
A. $5250.00 B. $437.50 C. $1750.00 D. $583.33