Write the ratio as a a ratio of whole numbers in lowest terms. $1.50 to $2.20

The diameter of a table is 5 feet. what is the circumference

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation, and the determine the cost if he drove it70 miles. b) what would be the cost of a car rental if the car was driven 250 miles? show work