Please help 20 points. I will give to who ever get it right.

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9