Aboard is 20 feet long is cut into two pieces. the difference between the lengths of the two pieces is 3 feet. how long is each piece?

Which statement about perfect cubes is true

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

What is the anwers for 9+2x=5x-3-x