Add or subtract.
- 7x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Which of the following is not true? ?
A. ?A Straight angle has a measure of 180?. B. ?Complementary angles have measures that add up to 180?. C. ?Supplementary angles have measures that add up to 90?. D. ?Complementary angles have measures that add up to 90?. E. ?ARight angle is 90?.
Mathematics
Estimate the sum or difference by first rounding to the nearest ten.81
A. 130 B. 30 C. 40 D. 36
Mathematics
Evaluate the expression.(-6 - 1) - (-14 + 11)
A. -32 B. -2 C. -4 D. 10
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f ? g.
A. (f ? g)(x) = 
; {x|x ? 0}
B. (f ? g)(x) = 
; {x|x ? -13, x ? 0}
C. (f ? g)(x) = 
; {x|x ? -13, x ? 0}
D. (f ? g)(x) = 
; {x|x ? -13, x ? 0}
Mathematics