Can anyone help me solve any of these questions? thank you if you do! :)

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1