Factor completely.x2 - 2x - 15
A. (x - 3)(x + 1)
B. (x - 3)(x + 5)
C. (x + 3)(x - 5)
D. Prime
Answer: C
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Perform the indicated operation involving cylindrical coordinates.Write the equation r2 - z2 = 36 in rectangular coordinates.
A. x2 + y2 = -36 B. x2 + y2 + z2 = 36 C. x2 + y2 = 36 D. x2 + y2 - z2 = 36
Calculate the arc length S and area A for each of the following sectors. Round to the nearest whole number if necessary.a = 0.6 rad, r = 112 ft
A. S = 67 ft, A = 3764 sq ft B. S = 62 ft, A = 3762 sq ft C. S = 67 ft, A = 3762 sq ft D. S = 66 ft, A = 3764 sq ft
Find the numerical value of the expression for 
and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
Solve the problem.Two cars start from the same point and travel in the same direction. If one car is traveling 62 miles per hour and the other car is traveling at 49 miles per hour, how far apart will they be after 3.5 hours?
A. 171.5 mi B. 217 mi C. 45.5 mi D. 388.5 mi