Evaluate.1602 - 9(21)(13)

A. 21,623
B. 28,057
C. 23,143
D. 21,639


Answer: C

Mathematics

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A. Symmetric about the y-axis

B. No symmetry

C. Symmetric about the y-axis

D. No symmetry

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Solve the problem.Find the slope of the tangent to the curve of the intersection of the cylinder  and the plane y = -9 at the point 

A. 2
B. - 
C.
D. 0

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Find the exact value of the expression.tan-1 (-1)

A.
B.
C. - 
D.

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Provide an appropriate response.The area of a rectangle is 3139 square inches, and the width is 43 inches. What is the perimeter of the rectangle?

A. The perimeter of the rectangle is 73 inches. B. The perimeter of the rectangle is 232 inches. C. The perimeter of the rectangle is 189 inches. D. The perimeter of the rectangle is 116 inches.

Mathematics