Mr. drew wants to build a square sandbox with an area of 400 square feet. what is the total length of wood mr. drew needs to make the sides of the sandbox?

Name the most appropriate metric unit for each measurement like the mass of cow

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?