The solution of the equation x^2-x-2=3

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 is the measure of angle tvu shown in the diagram below

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5