Translate the problem to a system of equations; then solve using the elimination method.A garage owner wants to fill a 55-gallon drum with a 20% winter mixture of antifreeze for his customers. How many gallons of 100% antifreeze should he mix with some 10% antifreeze mixture in order to fill the drum?
A. 6
gallons
B. 35
gallons
C. 48
gallons
D. 19
gallons
Answer: A
Mathematics
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Find the inverse of the function.f(x) = 
- 6
A. f-1(x) = x + 9 B. f-1(x) = 3x + 6 C. f-1(x) = 3x + 18 D. f-1(x) = 3x - 18
Mathematics
Solve the problem.
Damien Wood has a 15-year home mortgage of $68,500 at 7.00% interest and will pay $334 annual insurance premium. His annual property tax will be $1258. Find her monthly PITI payment.
A. $663.54 B. $748.48 C. $615.82 D. $767.66
Mathematics
Graph the ellipse.9(x + 5)2 + 25(y + 3)2 = 225
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression by combining like terms, if possible.6n + 4n6 + 4n + 5n6
A. 10n + 4n6 + 5 B. 6n + 9n6 + 4 C. 6n - 10n6 D. 10n + 9n6
Mathematics