Solve the problem.Find the distance in kilometers between the cities whose latitudes are given. Assume that the cities are on a north-south line and that the radius of the earth is 6400 km. City A, 69°N and city B, 54°N
A. 1607 km
B. 1799 km
C. 1676 km
D. 1730 km
Answer: C
Mathematics
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Use the limit comparison test to determine if the series converges or diverges.
A. Converges B. Diverges
Mathematics
Simplify each side of the equation, if possible. Then solve the equation.
k + 5k = 24 - 3 + 2
A. k = 29
B. k = 
C. k = 
D. k = 23
Mathematics
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 1.261 B. x = 13.1 C. x = 1.117 D. x = 3.96
Mathematics
Solve the problem.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 9.1 hr; Ron: 11.1 hr B. Paul: 8.3 hr; Ron: 10.3 hr C. Paul: 8 hr; Ron: 10 hr D. Paul: 10 hr; Ron: 12 hr
Mathematics