The sides of a polygon are 3,5,4, and 6. the shortest side of a similar polygon is 9. what’s the ratio of the perimeter

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.

What is the simplified form of 400x100 ? o 200x10 o 200x50 0 20x10 • 20x50

Rectangle abcd is similar to rectangle rstu . what is the scale factor of a dilation from abcd to rstu ? enter your answer in the box.