Find the gasoline mileage rounded to the nearest tenth.287 miles; 17 gallons

A. 17.0 mpg
B. 30 mpg
C. 16.9 mpg
D. 20 mpg


Answer: C

Mathematics

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Solve the system. x + 3y + 2z = 11 4y + 9z = -12x + 7y + 11z = -11

A. (0, 3, 1) B. (7, -1, -1) C. (1, 6, -4) D. No solution

Mathematics

Solve.The approach ramp used by a daredevil motorcyclist for flying over a collection of flaming tires has a rise of 45 feet for every 90 feet in horizontal distance. Find the grade of the ramp. Round to the nearest whole percent.

A. 55% B. 0.5% C. 20% D. 50%

Mathematics

Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x - 4)3

A. above the x-axis: no intervals below the x-axis: (-?, 4), (4, ?) B. above the x-axis: (4, ?) below the x-axis: (-?, 4) C. above the x-axis: (-?, 4) below the x-axis: (4, ?) D. above the x-axis: (-?, 4), (4, ?) below the x-axis: no intervals

Mathematics

Select the graph of the function and determine the zeros of the polynomial. ? ?

A. ?

?


B. ?

?


C. ?

?


D. ?

?


E. ?

?


Mathematics