Which algebraic expression is a trinomial? x3 + x2 – StartRoot x EndRoot
2x3 – x2
4x3 + x2 – StartFraction 1 Over x EndFraction
x6 – x + StartRoot 6 EndRoot

Which expression gives you the distance between the points (5,1)and(9,-6)

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

This is about circle theorems. someone asap : (