Which set of steps can be used to prove the sine sum identity sin (x+y) =sin(x) cos(y) +cos(x)sin(y)? look at the pic below

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Which expression is not a polynomial?