What property is used to say that the expressions 5x + 7 - 2x is equivalent to the expression 5x - 2x + 7?

Commutative, distributive, associative or identity

Ms. Benson has 89 yards of string. if she wants to give each of her students an equal amount of string. how much will each student get? write the answer as a mixed number.

At your high school, you randomly surveyed male students to find that they play video games a certain amount of hours per week. What is the estimated population mean based on your sample? A) 2.5 hours B) 3 hours C) 5 hours D) 6 hours

A heated piece of metal cools according to the function c (x) = (.5) x - 9, where x is measured in hours. A device is added that aids in cooling according to the function h (x) = - x - 2.

A tree graph can be used to represent

Common denominators of 9 45 27 3

A recipe for muffins calls for 1/2 quart of buttermilk, 1/3 quart of skim milk, and 1/16 quart of oil. How many total quarts of liquid ingredients does the recipe call for?

javier will paint the four outside walls of the birdhouse but not the bottom or the roof. What is the area that javier will paint?

Corey and his two friends, Alex and Carl, have a combined weight of 405 pounds. Corey weighs 127 pounds. Alex weighs at least 130 pounds, but no more than 145 pounds. Which inequality represents Carl's weight (x) ?

A sentence using another meaning for the word ray

Diego wanted to find the 7% sales tax on purchases that total $15.99. On his calculator the display showed $1.1193 as the tax. How much sales tax will Diego pay?