Help please

an equation where the slope is 5 and y-intercept is 12.

What is the value of x? enter your answer in the box. (cm)

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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?