The table shows the annual increase in cost in t years for certain grocery items. based on the formula a=c(1+r)^t , which equation could you use to determine the cost in t years for a gallon of milk?
a) a=4.25t(1.1)
b) a=4.25(1.10)^t
c) a=4.25(0.10)^t
d) a=4.25(0.90)^t

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For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is: