Nelson tutors and wants to save money. Nelson currently has $50 and plans to save an additional $15 per week. Which graph represents the number of weeks it will take Nelson to save at least $140?

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?

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)