Use the given information to find the exact value of the expression.cos ? = - 
, ? lies in quadrant III, and sin ? = 
, ? lies in quadrant II
Find cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use the Trapezoidal Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.
A. 6983 gal B. 7850 gal C. 6975 gal D. 6383 gal
A typical Social Security number is 555-47-5593. How many Social Security numbers are possible if the first three digits cannot be 1?
Fill in the blank(s) with the appropriate word(s).
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A. 72 B. 24 C. 128 D. 10
Insert "?" or "?" in the blank to make the statement true.{6, 26, 31} {17, 26, 31, 41}
A. ? B. ?