A Dental Sales company pays a $20,000 bonus to salespeople at the end of their first 70 weeks if they make 15 sales in their first week, and then improve their number of sales by three each week thereafter. Mr. Sanchez qualified for the bonus with the minimum number of possible sales! How many sales did he make in week 70? In all 70 weeks?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.