Olivia draws four identical sqaures as shown below to make a new, larger square. The length of one of the small square sides is 9 centimeters. What is the perimeter of the new, larger square?

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Rationalize the denominator- 12x/√x-10

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.