Which of the following is an arithmetic sequence?

1, 4, 9, 16, …
1, 1, 2, 3, …
5, 7, 9, 11, …

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.