Which expression is equivalent to 28 + 64? 2(14 + 40)

2(14 + 40)

4(7 + 16)

4(7 + 16)

4(24 + 32)

4(24 + 32)

8(20 + 56)

8(20 + 56)

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

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.

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.