How many solutions are there to this equation?
7x-3(x-1)= 2(2x+3)

I'm terrible at math any here is appreciated.

The expression 6x2 gives the surface area of a cube, and the expression x3 gives the volume of a cube, where x is the length of one side of the cube. find the surface area and the volume of a cube with a side length of 6m

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?