Solve the system by substitution.
|--2x – 3y = 9
-X = Y

Franco wants to double the volume of the cone. what should he do?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3