Arestaurant bill comes to 28.35. find the total cost is the tax is 6.25% and a 20% tip is left on the account before tax

For what values of x is x2 + 2x = 24 true?

Determine the area of a triangle with (see picture below)

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.