A cost function is 
and the revenue function is 
. Find the break-even quantity.
What will be an ideal response?
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Mathematics
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Describe the graph of the polar equation. 8r cos ? + r sin ? = 5
A. Vertical line passing through (8, 0) B. Parabola with vertex (8, 5) opening upward C. Line with slope -8 and y-intercept (0, 5) D. Line with slope 5 and y-intercept (0, 8)
Mathematics
Evaluate the expression using the order of operations.-6 - 
A. -18 B. 18 C. -30 D. 30
Mathematics
Solve the problem.While shopping for a party, June bought 
of hamburger, 
of chicken, and 
of ham. How much meat did she buy?
A. 9
lb
B. 
lb
C. 
lb
D. 2
lb
Mathematics
Solve the problem.A long-distance runner runs 2 miles south and then 5 miles east. How far is the runner from the starting point? Round approximations to the nearest tenth. 
East --5 mi-->
A. 14.5 mi B. 2.7 mi C. 5.4 mi D. 3.5 mi
Mathematics