17. find the value of x
18. find the area of each
19. find the surface area of each figure round to the nearest tenth.
20. find the volume of each figure

What statement is true? 2x^2-9x+2=-1

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?

Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm