Identify the constant of proportionality in the folliwing equation y= 7.25x

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?