-79=7x+3(4x-1)

If you answer this then you are officially smart

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?