I'm failing my math class and need ):

if i fail this class i won't be able to get the credits i need; meaning i won't graduate. is anyone willing to me with some questions?

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).

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Math each whole number with a rational,exponential expression