Please help me, I don't understand how to do this, there's not much information in the text.​

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

The height of a certain banner is equal to one third of its length. if the banner is 5 feet tall, write an equation that can be used to find the banner's length, l, in feet

Corey added stickers to his party invitations. he put the same number of stickers on 7 invitations. which expression shows the number of stickers corey put on each invitation? let the variable s stand for the number of stickers corey started with. look at replys for options