If it cost 5$ to fill a gas tank in 1970, how much would it have cost to fill the same tank in 1980

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.

Use sigma notation to represent the following series for 9 terms.

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)