Simplify.
A. 
B. 7x + 4
C. 
D. 
Answer: A
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Solve the following system of equations. Round your answers to two decimal places.
What will be an ideal response?
Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Solve the problem.A painter needs to cover a triangular region 60 meters by 67 meters by 71 meters. A can of paint covers 70 square meters. How many cans will be needed?
A. 305 cans B. 14 cans C. 3 cans D. 27 cans
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
Use the revenue and cost functions to write the profit function from producing and selling x binoculars.
A. P(x) = 4x - 1500 B. P(x) = 2x - 1500 C. P(x) = 4x + 1500 D. P(x) = 2x + 1500