Evaluate the expression.-13 - (-13)

A. 0
B. 13
C. -26
D. -13


Answer: A

Mathematics

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The equation of an ellipse is given. Put the equation in standard form and sketch the ellipse.(x + 1)2 + 4y2 = 4

A.  + y2 = 1

B.  + y2 = 1

C. (x + 1)2 +  = 1

D. (x + 1)2 +  = 1

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Determine a formula for the exponential function.

A. f(x) = 4 ? 1.2x B. f(x) = 4 ? 0.8x C. f(x) = 4 ? 1.4x D. f(x) = 5.76 ? 1.2x

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Multiply the polynomials.(x - 5)(9x2 + x + 9)

A. 9x3 - 44x2 + 14x - 45 B. 9x3 - 46x2 + 4x - 45 C. 9x3 - 44x2 + 4x - 45 D. 9x3 + 44x2 + 4x - 45

Mathematics

Use a graphing calculator to estimate the solution set of the equation. Round to the nearest hundredth.x = 12

A. {-4.00} B. {-0.44} C. {2.26} D. {-2.26}

Mathematics