Find all numbers for which the rational expression is not defined.
A. None
B. b = 0
C. b = 8
D. b = -8
Answer: D
Mathematics
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Find the book value to the nearest dollar.Cost $70,600, life 10 years, scrap value $7766 at the end of 1 year, sum-of-the-years'-digits method
A. $56,480 B. $59,176 C. $64,317 D. $63,540
Mathematics
Solve the formula for the specified variable.Solve: D = 
(mx - mb) for m
A. m = 
B. m = 
C. m = 
D. m = 
Mathematics
Find functions f and g so that f ? g = H.H(x) = 
A. f(x) = 
; g(x) = 1
B. f(x) = 
; g(x) = x + 1
C. f(x) = 
; g(x) = x + 1
D. f(x) = x + 1 ; g(x) = 
Mathematics
Solve the problem with three unknowns.The sum of a student's three scores is 207. If the first is 13 points more than the second, and the sum of the first two is 3 more than twice the third, what was the first score?
A. 63 B. 55 C. 76 D. 68
Mathematics