4(12-3)/12 what’s the sum?

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 solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships