30% of a number is 45. What is the original number?

Anabel uses 10 gallons of gas to drive 220 miles on the highway. if she travels at the same rate, how many miles can she drive on 7 gallons of gas

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

Asequence has a common ratio of and f(5) = 81. which explicit formula represents the sequence? f(x) = 24 f(x) = 16 f(x) = 24 f(x) = 16