Perform the indicated operation. Assume that all variables are nonnegative.-8
+ 8
+ 5
A. 26
B. 130
C. -130
D. -8
Answer: A
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Divide and simplify.
÷ 
A. 12z
B. 
C. 
D. 
Parametrize the surface S.S is the cap cut from the paraboloid z = 
- 8x2 - 8y2 by the cone z = 
.
What will be an ideal response?
Solve the problem.On March 10, Henry rented a van with a full tank of gas and 15,292 miles on the odometer. On March 14, he returned the van with 15,662.4 miles on the odometer. The rental agency charged Henry 
for the rental and needed 10 gallons to fill up the tank. What was the van's rate of gas consumption in miles per gallon? Round to the nearest tenth when necessary.
A. 0 mpg B. 370.4 mpg C. 48.7 mpg D. 37 mpg
Solve the problem. Suppose a student plans to drive from his home to New Haven 75 miles on a divided highway and 30 miles on an undivided highway. The speed limit is 70 mph on the divided highway and 50 mph on the undivided highway. Assume the driver drives nonstop. Let T(a) represent the driving time (in hours) if the student drives at a mph above the speed limits. Find T(0). What does your result mean in terms of the trip?
A. 1.45; If the student drives at the speed limits the trip will take 1.45 hours. B. 1.67; If the student drives at the speed limits the trip will take 1.67 hours. C. 1.45; If the student drives at 1.45 mph above the speed limits, the trip will take 1.45 hours. D. 1.67; If the student drives at 1.67 mph above the speed limits, the trip will take 1.67 hours.