Simplify. Assume that all variables represent positive real numbers.9 - 5x

A. 14
B. 4x
C. 9 - 5x
D. 4x


Answer: D

Mathematics

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Write the compound statement in symbols.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."If I eat too much, then I'll exercise.

A. q ? p B. p ? q C. r ? p D. p ? q

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Graph the curve over the given interval together with its tangent at the given value of x. Graph the tangent with a dashed line.y = cos(x), -2? ? x ? 2?, x = 

A.

B.

C.

D.

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Find decimal notation for the number(s) in percent notation.Only 0.8% of those polled had heard the news.

A. 0.08 B. 0.0008 C. 0.8 D. 0.008

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Solve the equation. Then tell whether the equation is a conditional equation, an identity, or a contradiction.-2(2x + 7) = -16 - 5x + 3x

A. (-?, ?); identity B. {1}; conditional equation C. {-1}; conditional equation D. ?; contradiction

Mathematics