Evaluate the expression x + y for the given values of the variables.x = -16, y = -13
A. -3
B. -29
C. 29
D. 3
Answer: B
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Solve the problem using the rule of 78s.A college student buys a used car for $5000. She makes a down payment of $1,100 and finances the balance at 8.5% APR over 24 months. Before making the 15th payment, she decides to pay the remaining balance on the loan. How much interest will the student save?
A. $53.18 B. $46.24 C. $58.49 D. $68.18
Is there a number a such that
exists? If so, find the value of a and the value of the limit.
Select the correct answer.
a. a = 15 , limit equals –0.6
b. a = 15 , limit equals 0.6
c. a = –15 , limit equals 0.6
d. a = –15 , limit equals –0.6
e. a = 15 , limit equals 18
Find the measure of the angle.
?YZV
A. 140° B. 145° C. 135° D. 155°
?Average costs. Suppose the average costs of a mining operation depend on the number of machines used, and average costs, in dollars, are given by 
, 
, where x is the number of machines used. What is the minimum average cost?
?
A. ?$0 B. ?$35 C. ?$490 D. ?$245 E. ?$8582