Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.4

A.
B.
C.
D.


Answer: D

Mathematics

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Express the vector as a product of its length and direction.- i - 4j

A.
B.
C. ( -i - j)
D.

Mathematics

Find the absolute value.

A.
B. - 
C. 0
D. ± 

Mathematics

Write in factored form.r(s - 5) + 2(s - 5)

A. (r + 2)(s - 5) B. 2r(s - 5) C. r(s - 5) + 2 D. (r - 2)(s + 5)

Mathematics

Simplify. Assume that variables represent positive real numbers.

A. y10 B. x5 y3 C. x y3 D. x y10

Mathematics