Use the information below to answer 7 and 8 read the questions and choose the best answer
or
b jerry = 4
gary =2
terry = 24 yes
d gary equals 12 gary equals 12 t equals 12 yes

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

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

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.