Rewrite in simplest terms: -8(9r-1)-9(-8r+2)−8(9r−1)−9(−8r+2)

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?