Sandra worked 6.2 hours on Wednesday, 5.5 hours on Thursday, and 3.5 hours on Friday. What is the mean number of hours she worked over the three day period, to the nearest hour?

pencils come in a package of 10. Eraser come in a package of 12. Philip wants to purchase the smallest amount of pencil and eraser so that he'll have exactly 1 eraser per pencil how many packages of pencils and erasers should Phillip buy.

Write the equation of the line shown in slope-intercept form. AND: Standard form (-1,2) (1,4)

Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals.

Find the prime factorization of45

If 12 pens cost 3.48 how much do 20 cost

Name a fraction equivalent to 2/3

The teacher has 15 gold prize ribbons, 22 blue ribbons, and 5e red ribbons. There are 12 boys and 18 girls in the class.

3 (6x^2-5x+7) - 2 (-4x^2+8-10)

A model ship is built to a scale of 1 centimeter: 5 meters

Simply: x^3 y^3 / x^3 y^2 (the arrows mean to the power of the number)