Given the sequence 2, 6, 18, 54, which expression shown would give the fifteenth term? 2^15 2·3^15 2·3^14

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Me. i can't figure out this question. give an explanation too. .

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?