Write the prime factorization of the number.154

A. 22 ? 11
B. 14 ? 11
C. 2 ? 7 ? 11
D. 72 ? 2

Answer: C

Mathematics

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Find ?f.f(x, y, z) = x4y9 +

A. F = i + 9x⁴y⁸j - k
B. F = (4x³ + 6x⁵)i + 9y⁸j - k
C. F = 4x³y⁹i + 9x⁴y⁸j - k
D. F = (4x³ + 6x⁵)i + 9y⁸j + k

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Mathematics

Simplify the expression. Assume that all variables are positive when they appear.

A. ±4 B. 4 C. 8 D. 16

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Mathematics

Answer the question.There is an identity property for both addition and multiplication. Is there an identity property for subtraction? If so, state the property.

A. Yes. x - 0 = x B. No.

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Mathematics

Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = . How many hours of study are needed to score 88?

A. 3.24 hr B. 100.97 hr C. 32.40 hr D. 6.55 hr

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Mathematics