Solve the problem.City A is due north of City B. Find the distance between City A (north latitude 35° 28' N) and City B 
Use 3960 miles as the radius of the Earth.
A. ?1590 mi
B. ?1292 mi
C. ?496 mi
D. ?1559 mi
Answer: D
Mathematics
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Solve the problem.One printer can do a printing job in 11 hours. Another printer can do the same job in 14 hours. How long can they do the job working together?
A. 51
hours
B. 5
hours
C. 
hours
D. 6
hours
Mathematics
Factor out the largest possible common factor.72x9y9 - 80x5y5 - 48x2y3
A. 8(9x9y9 - 10x5y5 - 6x2y3) B. 8x2y3(9x7y6 - 10x3y2 - 6) C. 8x2(9x7y9 - 10x3y5 - 6y3) D. -8x2y3(-9x7y6 - 10x3y2 + 6)
Mathematics
Refer to the following normal curve, with mean ? and standard deviation ?.
The standard deviation ? =
A. 12 B. 24 C. 3 D. 6 E. none of these
Mathematics
Give the degree of the term.-5
A. 1 B. 0 C. 5 D. -5
Mathematics