Solve the equation:

-3(y-5)=24

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*