Which describes the difference between the two sequences? 1st sequence: 1/4, 1/2, 3/4, 1

2nd sequence: 13, 39, 117, 351

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.