Expand and simplify 2(x-y)-3(x-2y)

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}