Two less than 3 times a number is the same as the number plus 10

What term makes it inconsistent y=2x - 4

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.