Simplify the ratio. Use values in terms of the smaller measurement units.9
days to 2
weeks
A. 
B. 
C. 
D. 
Answer: C
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Solve the equation.5x - 4 = x - 20
A. 4
B. -4
C. - 
D. - 
Solve the problem.On the day when Julie left for her vacation, the function that converted U.S. dollars to British pounds was f(x) = 0.54521x, where x is the number of U.S. dollars and f(x) is the number of British pounds. Find the inverse function.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = x - 0.54521
For the given function, find all asymptotes of the type indicated (if there are any).f(x) = 
, vertical
A. x = 5 B. x = 2, x = -2 C. None D. x = -5
Solve the problem.Walt made an extra $9000 last year from a part-time job. He invested part of the money at 10% and the rest at 7%. He made a total of $780 in interest. How much was invested at 7%?
A. $5000 B. $7000 C. $4500 D. $4000