What is the meaning of the expression?52
A. 7
B. 2 ? 5
C. 3
D. 5 ? 5
Answer: D
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For a regular pentagonal pyramid, each lateral face has an area of 12 cm2. If the area of the pentagonal base is 15 cm2, find the total (surface) area of the pyramid.
A. 75 cm2 B. 90 cm2 C. 87 cm2 D. 102 cm2
Provide an appropriate response.Shortly before an election, a market research firm took a poll to find out whether people were planning to vote for or against a particular ballot measure. The results are shown below. 
The ballot measure will pass if a simple majority (more than 50%) vote in favor of the measure. You wish to construct a graph to represent the data. It should be easy to see from your graph whether more than 50% of the people are planning to vote in favor of the measure. Which graph would be more useful, a bar graph or a pie chart? Explain your thinking.
What will be an ideal response?
Evaluate the work done between point 1 and point 2 for the conservative field F.F = 10xe5x2-9y2-4z2i - 18ye5x2-9y2-4z2j - 8ze5x2-9y2-4z2k ; P1(0, 0, 0) , P2(1, 1, 1)
A. W = 0 B. W = e5 + e-9 + e-4 - 1 C. W = e-8 D. W = e-8 - 1
Provide an appropriate response.The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells flat-screen TVs. Use the formulas shown to find R(300) - C(300). Describe what this means for the company.
A. -12,000; When the company produces and sells 300 flat-screen TVs, the loss is $12,000. B. 12,000; When the company produces and sells 300 flat-screen TVs, the profit is $12,000. C. 15,000; When the company produces and sells 300 flat-screen TVs, the profit is $15,000. D. -0; When the company produces and sells 300 flat-screen TVs, the loss is $0.