Is 8(3x+2) and 4(6x÷4) equivalent?

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

Is the figure congruent? yes or no?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!