Simplify using suitable property

-7/15 x 2/3 - 7/45 + 2/3 x 12/15

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

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.