Some one please click on my profile and answer my two questions they are about circles than you <3

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path