Easy 30 point for brainliest. prove thatsin 5a = 16 sin ^5 a - 20 sin ^3 a + 5 sin a

If anyone has done the algebra 2 chaos theory portfolio would you be wiling to me? i kind of know what i'm doing i just don't know if i'm doing it right.

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4