20.681+19.39+20.56 estimate sum

What is the length of the leg in a right triangle whose hypotenuse is 13 and other leg is 12.

Find f (2) for the function f (x) = |3x|

How do I simplify - 9 (3-4w) - 8w

One gallon of of paint covers about 450 square feet how many square feet will 1.5 gallons cover?

Linda must calculate the cost of filling's her car's 12-gallon gas tank. She calculates the difference between how much gasoline her gas tank will hold and the number of gallons of gas, g, already in the tank.

Round the decimal two hundred twenty-one and five hundred seventy four thousandths to the nearest tenth

A number is multipied by 5, if 12 is added to the product you get 37

On a winter morning the temperature before sunrise was - 11 f. the temperature then rose by 1/2 degree each hour for 7 hours before dropping by 2 1/4 degrees each hour for 3 hours. what was the temperature in degrees Fahrenheit after 10 hours

Is 9/5 a rational number

Two students stting in adjacent seats in a lecture room have weights of 569 N and 673 N. Assume that Newton's law of universal gravitation can be applied to these two students and find the gravitational force (in Newtons) that one student exerts on