Use the substitution method to solve the system of equations. 3x + 2y = 13
y = x-1

A. (1,2)
B. (2,3)
C. (2,1)
D. (3, 2)

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

Which statement describes surface features called maria on the moon

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?