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