Leanne keeps her hair clips in small bags. if leanne has 15 small bags contained 4 hair clips, how many hair clips does leanne have?

a. 60

b.70

c.80

d.90

I'm confused on this could anyone me and show me what i need to do to solve it.

Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?