Which expressions are equivalent to 3(x + 3y + 2x − y )? 1. 3(3x + 2y) and 9x + 6y
2. 3(3x + 4y) and 9x + 12y
3. 3(x + 4y) and 3x + 12y
4. 3(x + 2y) and 3x + 6y

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

On a piece of paper graph f(x)=5•(0.4)^x