Add or subtract.11 + (-4)
A. 15
B. 7
C. -15
D. -7
Answer: B
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Rewrite the following as indicated.
(Write as a percent.)
A. 6%
B. 7
%
C. 0.67%
D. 6
%
Use the bar graph to answer the question.The following graph shows the average starting salary for graduates of five different schools with a degree in mathematics. 
What was the least average starting salary among the five schools?
A. $45,830 B. $51,788 C. $36,414 D. $39,424
Solve the problem.Regrind, Inc. regrinds used typewriter platens. The cost per platen is 
The cost to regrind 110 platens is 
Find the linear cost function to regrind platens. If reground platens sell for 
each, how many must be reground and sold to break even?
A. C(x) = 1.60x + 400 break-even = 41 B. C(x) = 1.60x + 224 break-even = 33 C. C(x) = 1.60x + 224 break-even = 230 D. C(x) = 1.60x + 400 break-even = 60
Solve.Saji swims 
mi every day. One day he had already swum 
mi. How much further should he swim?
A. 
mi
B. 
mi
C. 
mi
D. 
mi