Add or subtract. Express the answer as a mixed number.15 - 6

A. 8
B. 7
C. 8
D. 9


Answer: C

Mathematics

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Solve the problem.The area of a rectangular garden is to be 144 ft.2. Find the length if the width must be 6 ft. (Use A = lw)

A. 26 ft. B. 24 ft. C. 138 ft. D. 23 ft.

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Find the complement of a 50° angle.

a. 130° b. 100° c. -5° d. 40°

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Graph.f(x) = -2x2 + 2x - 5

A.

B.

C.

D.

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Find the maximum value of the function  subject to the condition . ?

A. -10,650 B. ?-8,520 C. ?-6,390 D. ?-4,260 E. ?-2,130

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