In triangle ABC, the measure of angle B is 13 more than the measure of angle A, and the measure of angle C is 9 less than twice the measure of angle A. Find the measure of each angle

7x+8y=-18, 4x-9y=-3 solve the system of equations

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Given that abcd is a rhombus, what is the value of x?