Derivative of - 3x^2+4x

You plan to take a 1524 -mile trip in your car, which averages 24 miles per gallon. How many gallons of gasoline should you expect to use? Would a car that has only half the gas mileage require twice as much gasoline for the same trip? Explain

A train travels at an average speed of 67.5 miles per hour at this Speed how far can the train go in 3.25 hours?

A manufacturer of game controllers is concerned that their controller may be difficult for left handed users. They set out to find lefties to test. About 13% of the population is left handed.

At a museum 100 posters are displayed in each of 4 rooms. altogether how many posters are displayed

Sally needs 206.1 inches of ribbon for a craft project. She has 156.3 inches of ribbon already. How many more inches of ribbon does Sally need

Solve: 6yr. 9ft. 4in. times 2=

How to find angles in a triangle

In m + 8 the variable m can have any value

A xar travels 273 kilometers in 4 hours (with a constant speed). How much time will it take traveling 117 kilometers?

Maria spent $12.50 at the post office. She bought three times as many $0.41 stamps as $0.02 stamps. How many of each did she buy?