3times the sum of the first and the third integer is equal to 30 more than 4 times the second integer

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Plot the intercepts to graph the equation

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)