Solve the problem.By switching service providers, a family's telephone bill decreased from 
a month to 
What was the percent decrease in their phone bill?
A. 14%
B. 16.3%
C. 15%
D. 7%
Answer: A
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Let U = {all soda pops}, A = {all diet soda pops}, B = {all cola soda pops}, 
and 
Describe the set in words.(A' ? B') ? C
A. All non-diet non-cola soda pops or all soda pops in cans B. All non-diet non-cola soda pops and all soda pops not in cans C. All non-diet soda pops and all non-cola soda pops in cans D. All non-diet non-cola soda pops in cans
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 8x + 3;
Find the function g ? f.
A. 8x + 21
B. x + 6
C. x - 
D. x
Add.1.448 + 5.3
A. 6.738 B. 6.858 C. 6.748 D. 6.749
Identify the coefficient and degree of the monomial. -9x
A. Coefficient: 9; Degree: 1 B. Coefficient: 1; Degree: -9 C. Coefficient: 1; Degree: 9 D. Coefficient: -9; Degree: 1