Solve the problem by using addition, subtraction, multiplication, or division as needed.Raisa's car used 12 gallons of gasoline when she drove it 216 miles. How many miles per gallon did it get?
A. 12 miles per gallon
B. 204 miles per gallon
C. 18 miles per gallon
D. 22 miles per gallon
Answer: C
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Find the average value of the function f over the region R.f(x, y) = 6x + 10yR: 0 ? x ? 3, 0 ? y ? 8
A. 9 B. 14 C. 13 D. 49
Solve the problem.The function A = A0e-0.0099x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 400 pounds of the material are initially put into the vault, how many pounds will be left after 40 years?
A. 350 pounds B. 269 pounds C. 119 pounds D. 114 pounds
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
Solve and graph. Write the answer in set-builder notation.-6n + 9 > -7n + 11
A. {n
n ? 20}
B. {n
n ? 20}
C. {n
n < 2}
D. {n
n > 2}
