Can someone check to see if im correct? for #9 i got sides AC and BC are called legs and sides AB is called the hypotenuse. And can someone help me with #10 plz?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.