Is 70% of 80 greater than less than or = to 80% 0f 70 is 92 % of 30 greater than or less than equal to 48% of 75

Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Witch represents the inverse of the function f(x)=1/4x-12