Fred Salmon purchased seven $1,000 bonds at 83. The bonds pay 6.5%. The answers available are. What was the cost of the bonds? ($830) ($7000) ($5,810) What was the total annual interest? ($455) ($65) ($377.65) What is the yield? (7.8%) (6.5%) (7.1%)

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

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.

Need showing work for this problem 56.25 ×25.80