Simplify.-16 + 12 - (-8) - 13 + (-2)

A. -1
B. -11
C. 15
D. -21


Answer: B

Mathematics

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Provide an appropriate response.Find the mean of the following (round to nearest tenth): 48, 97, 36, 51, 12

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Mathematics

Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - , sin ? > 0Find cos .

A. - 
B.
C. - 
D.

Mathematics

Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds.

A. 153 feet B. 137.5 feet C. 209.5 feet D. 275 feet

Mathematics

Multiply. ? 

A.
B.
C.
D.

Mathematics