Write a simplified expression for the perimeter of the rectangle shown below.

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below. what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=