What does 5(3x+y) equal?

this is mathematics so don't delete it

00 points ! missy’s rotation maps point k(17, –12) to k’(12, 17). which describes the rotation? 270° counterclockwise rotation 90° counterclockwise rotation 90° clockwise rotation 180° rotation

This is about circle theorems. someone asap : (

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume