Simplify.
A. 10
B. 
C. 90
D. 2!
Answer: C
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Which subtraction model (take-away, missing addend, comparison, or measurement) corresponds best to the problem?A coffee can comes packed with enough ground coffee to make 85 cups of coffee. After 55 cups have been made, how many cups of coffee can be made with the remaining ground coffee?
A. Missing addend B. Measurement C. Take-away D. Comparison
Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 6.5; d = 8.5 B. w = 6.5; d = 10.5 C. w = 4.5; d = 10.5 D. w = 5.5; d = 9.5
Solve the problem.Suppose that f(x) = 3x. If f(x) = 
, what is x?
A. -3 B. 5 C. 3 D. -5
Solve the problem.The profits (in millions) for a company for 8 years was as follows: 
Find the cubic function of best fit to the data.
What will be an ideal response?