Simplify the expression.  ? 

A.
B.
C. - 
D.


Answer: A

Mathematics

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Find the mean for the list of numbers.Ages of patients (in years) in a clinic: 17, 1, 21, 17Round answer to the nearest whole number if necessary.

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A. 4.87% B. 5.62% C. 5.37% D. 5.12%

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Graph the equation by plotting three points and connecting them.y = -4x + 3

A.

B.

C.

D.

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Solve the problem.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 15 miles, the distance between the cars was 5 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?

A. 30 miles B. 20 miles C. 25 miles D. 15 miles

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