Free points cuz why not

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

What could explain what happened when the time was equal to 120 minutes

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )