When y=7 what is the value of x?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

What is the range? can’t seem to find it out

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?