Rewrite the statement using the indicated property of addition.Associative (insert grouping symbols): 2 + 4 + 5 = 
A. 2 + (5 + 4)
B. 5 + 4 + 2
C. 2 - (4 + 5)
D. (2 + 4) + 5
Answer: D
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Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Solve.John drops a ball from the top of a 256 foot building. The height, h, of the ball in feet t seconds after being dropped is given by h = -16t2 + 256. When will the ball hit the ground? (Hint: The height of the ball when it hits the ground will be 0.)
A. The ball will hit the ground when t = 4 sec. B. The ball will hit the ground when t = 17 sec. C. The ball will hit the ground when t = 16 sec. D. The ball will hit the ground when t = 64 sec.
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. x - 2
D. 
Solve the problem.A mechanic is testing the cooling system of a boat engine. He measures the engine's temperature over time. Use a graphing utility to fit a logistic function to the data. What is the carrying capacity of the cooling system?
A. y = 
, 312°F
B. y = 
, 315°F
C. y = 
, 315°F
D. y = 
, 307°F