Find the slope of the line between the points (0, -4) and (2, 8).

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?

Ineed with math stuff it involves graphs

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.