The equation of a line in slope intercept form is y=mx+b, where m is the y-intercept true or false

Every rhombus is a square. true false

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?