Please I need help I need it done by today

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.