What value of x is in the solution set of 9(2x + 1) < 9x – 18?

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.

What is the surface area of a cube with the volume of 729 ft?

0.75,1.75,2.75,3.75 is arithmetic or geometric?