Solve the Problem
A computer technician travels 220 on a service call. He averaged 40 miles per hour for part of the trip and averaged 50 mph for the rest of the trip. If the total trip took five hours how long did he travel at a rate of 50 miles per hour?
2 hours
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Determine the center and the radius of the circle.(x + 7)2 + (y + 4)2 = 4
A. (-4, -7), r = 2 B. (7, 4), r = 4 C. (4, 7), r = 4 D. (-7, -4), r = 2
You are on a shopping trip. The store will round the amount you pay for each item to the nearest cent. Find the amount you will pay.Laundry detergent is 2 bottles for $3.15, so one bottle is $1.5750. You pay:
A. $1.59 B. $1.68 C. $1.57 D. $1.58
Evaluate the expression for the given replacement values.x - z for x = 8, z = 1.0
A. 6 B. -7 C. 7 D. 9
Rationalize the numerator and simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 