The simple interest earned by a certain amount of money varies jointly as the rate of interest and the time (in years) that the money is invested. If some money invested at 11% for 2 years earns $429, how much would the same amount earn at 13% for 1 year?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Find f(g(x)) and g(f(x)) and determine whether the pair of functions f and g are inverses of each other.f(x) = 
and g(x) = 
- 8
A. not inverses B. inverses
Mathematics
Write an equation for the line described. Write the equation in the form specified.perpendicular to 8x - 7y = 127, through (8, 9); standard form
A. 8x + 7 = 8 B. 7x - 8y = 128 C. 7x + 8y = 128 D. 8x + 7y = 127
Mathematics
Express the fraction or mixed number as a percent.
A. 1
%
B. 11
%
C. 28
%
D. 114
%
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics