Simplify the expression.log10 10
A. 1
B. 10
C. 0
D. -1
Answer: A
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Find all the polar coordinates of the point.(-2, ?/3)
A. (2, 4?/3 + 2n?), (-2, 2?/3 + 2n?) B. (2, 4?/3 + 2n?), (-2, -?/3 + 2n?) C. (2, 4?/3 + 2n?), (-2, ?/3 + 2n?) D. (2, ?/3 + 2n?), (2, 4?/3 + 2n?)
Solve the problem.College students can purchase points for use in the food service areas instead of cash. If you initially pay the basic food service fee of $45, then points can be purchased for 30 cents each; otherwise, points cost 60 cents each. How many points must you use in order for it to be cheaper to pay the basic food service fee?
A. 145 points B. 160 points C. 150 points D. 151 points
Make the following conversion between the U.S. and metric systems.3 in2 = 
cm2
A. 7.62 cm2 B. 1.2 cm2 C. 7.5 cm2 D. 19.4 cm2
National Business Machines manufactures two models of fax machines: A and B. Each model A costs $125 to make, and each model B costs $150. The profits are $32 for each model A and $43 for each model B fax machine. The total number of fax machines demanded per month does not exceed 2,600 and the company has earmarked no more than $550,000/month for manufacturing costs. How many units of each model should National make each month in order to maximize its monthly profits? What is the optimal profit?
