Add or subtract.11 + (-4)

A. 15
B. 7
C. -15
D. -7


Answer: B

Mathematics

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Rewrite the following as indicated. (Write as a percent.)

A. 6%
B. 7%
C. 0.67%
D. 6%

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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

Mathematics

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

Mathematics

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

Mathematics