Express as a product of prime factors.1869
A. 72 ? 89
B. 3 ? 7 ? 89
C. 32 ? 89
D. 21 ? 89
Answer: B
Mathematics
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Find the area bounded by the indicated curves.x = 2y2 - 1, x = y2 + 8
A. 
B. 27
C. 24
D. 36
Mathematics
Express the number in decimal notation.8.09 × 107
A. 8,090,000 B. 566.3 C. 809,000,000 D. 80,900,000
Mathematics
Solve the problem.A long-distance runner runs 6 miles south and then 9 miles east. How far is the runner from the starting point? Round your answer to the nearest thousandth if necessary. 
East --9 mi-->
A. 11.817 mi B. 5.477 mi C. 15 mi D. 10.817 mi
Mathematics
Write in exponential form.4 ? 4 ? 4 ? 4
A. 41/4 B. 44 C. 44 D. 4? 4
Mathematics