Every 3 seconds , 4 cubic feet of water pass under the bridge. what is the unit rate?

Polynomial that can be factored as (3x-4)(3x+4)

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap

Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310