Line A passes through the points (1,5) and (5,7) find the equation only the line perpendicular to A that passes through (-1,7)

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

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?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8