A circle has a diameter with endpoints of (-1, 5) and (5, 3). What is the center of the circle? O (2, 4) O (4,4) O (2,5) O (5,1)

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?

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

Ineed with number 6 , explain how to get 1978