Write and algebraic question x two times the sum of twice a number and one is equal to ten more than the product of three and the same number

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)