Solve the problem.A car traveled 246 miles on a trip. During 48 miles of the trip, the car traveled through the city and had gas mileage that was 9 fewer miles per gallon than the gas mileage on the highway. If the total amount of gasoline used for the trip was 8 gallons, find the gas mileage of the car on the highway.
A. 33 miles per gallon
B. 42 miles per gallon
C. 15 miles per gallon
D. 24 miles per gallon
Answer: A
Mathematics
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Perform the requested operation on the given function.f(x) = x2 - 
x + 1, g(x) = x3 + 
x2 + xFind (f + g)(x)
A. 2x3 + 
x2 + 2x
B. x3 + 
x2 + 
x + 1
C. 2x3 + 
x2 + 2x
D. x3 + 
x2 + 
x + 1
Mathematics
Solve.The initial weight of a starving animal is W0. Its weight after t days is given by 
What percentage of its initial weight remains after 22 days?
A. 84.2% B. 89.6% C. 10.4% D. 93.2%
Mathematics
Write an equation for the parabola.vertex (-9, 7), focus (-20, 7)
A. x + 7 = -20(y - 9)2 B. -44(x - 9) = (y + 7)2 C. x + 9 = -44(y - 7)2 D. (y - 7)2 = -44(x + 9)
Mathematics
Use a graphing calculator to find any x-intercepts of the graph 
.
A. 
B. 
C. 
D. 
E. 
Mathematics