Simplify the rational expression. Use factoring, and assume all variable expressions represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the specified vector or scalar.u = -2i + 4j and v = -6i - 16j; Find 
.
A. 4
B. 
C. -3
D. 4
Mathematics
State the domain and range of the given function.f(x) = -(x + 5)2 + 2
A. Domain: (-?, ?) Range: [5, ?) B. Domain: [5, ?) Range: (-?, -2] C. Domain: (-?, ?) Range: (-?, 2] D. Domain: (-?, ?) Range: [2, ?)
Mathematics
Factor.
- p2
A. 
B. 
C. 
(1 + p)(1 - p)
D. 
Mathematics
Write an equation to describe the variation. Use k for the constant of proportionality.s varies directly as r
A. r = ks
B. s = 
C. s = kr
D. r = 
Mathematics