Al and barb each got to the store buy colored supplies. al buys 11 colored pencils for $0.69 each and barb buys 3 packs of folders for $2.70 per pack. who spent more at the store? explain.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units

Sean is his dad build a tiled walkway in their backyard. the walkway will be 6060 feet long and 22 feet wide. the local hardware store sells tiles which are 22 by 22 feet and come in boxes of 66. how many boxes of tiles do they need?