Simpl following 12mn+4m²n-3mn+2m²n​

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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?

Fill in the table with whole numbers to make 430 in five different ways