Which of the following describes the graph of y = x² - 7x + 12?
1) the graph has zeroes at x = -4 and x = -3 and it opens downward.
2) the graph has zeroes at x = 4 and x = 3 and it opens downward.
3) the graph has zeros at x = -4 and x = -3 and it opens upward.
4) the graph has zeroes at x = 4 and x = 3 and it opens upward.

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

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.