2 is a prime number. hope this hepls
D , because they are both completely unrelated which means one does not depend on the other. bringing an umbrella is independent from going to school knowing u have a test.
9(x - 4) = 9x - 33
9x - 36 = 9x - 33
9x - 9x = -33 + 36
0 = 3...(incorrect)....no solutions