Solve the problem.City A is due north of City B. Find the distance between City A (north latitude 50° 30' N) and City B 
Use 3960 miles as the radius of the Earth.
A. ?1037 mi
B. ?1021 mi
C. ?325 mi
D. ?846 mi
Answer: B
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Calculate how many times more intense an earthquake with a Richter number of 8.1 is than an earthquake with a Richter number of 6.9. Please round the answer to the whole number.
A. 21 B. 24 C. 16 D. 26 E. 18
Use Newton's method to approximate all the intersection points of the pair of curves. Some preliminary graphing or analysis may help in choosing good initial approximations. Round to six decimal places.y = ex and y = x2 + 3
A. x ? 1.873123 B. x ? 1.762023 C. x ? 1.373123 D. x ? 1.873233
Represent each of the following situations with a signed number.The temperature recorded at the airport was 49° below zero.
A. -49 B. +49
Provide an appropriate response. The mold on a pipefitting allows for 1.2% shrinkage. What is the original length if the final length of the fitting is 0.247 mm?
A. 0.3 mm B. 0.25 mm C. 0.2058 mm D. 0.2964 mm