Determine the measure of the interior angle at vertex A.
A. 50°
B. 210°
C. 150°
D. 70°
Answer: C
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Find all local extreme values of the given function and identify each as a local maximum, local minimum, or saddle point.
A. 
local maximim
B. 
saddle point; 
C. 
saddle point
D. 
local minimum; 
local minimum
Find the indicated partial sum for the sequence with the given general term. s10, an = (-1)n
A. 1 B. -1 C. -10 D. 0
Solve the problem.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $102.00 for 3 days and 300 miles, while Mary was charged $183.00 for 5 days and 600 miles. What does Best Rental charge per day, for mileage?
A. $20 per day and 14 cents per mile B. $13 per day and 21 cents per mile C. $21 per day and 13 cents per mile D. $22 per day and 14 cents per mile
The reliability of a new model of CD player can be described by the exponential function 
where the reliability R is the probability (as a decimal) that the CD player is still working t years after it is manufactured. Round the answer to the nearest hundredth. Then write your answer as a percent.What is the probability that the CD player will still work 
of a year after it is manufactured?
A. 85% B. 52% C. 18% D. 72%