1/3 of 1/4 topic e quiz

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)

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4