Evaluate the algebraic expression for the indicated variable.-2x2 + 2y2  for x = 3, y = -3

A. -36
B. -24
C. 12
D. 0


Answer: D

Mathematics

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Approximate, to the nearest tenth, the total surface area of the cone satisfying the given conditions.radius = 7 cm, height = 5 cm

A. 153.9 cm2 B. 78.5 cm2 C. 342.9 cm2 D. 109.9 cm2

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Find the sum of the sequence.

A. 24 B. 32 C. 40 D. 36

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Solve the exponential equation. Express the solution set in terms of natural logarithms. = -1

Fill in the blank(s) with the appropriate word(s).

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