Answer for each box plz

When turned about its axis of rotation, which shape could have created this three-dimensional object?

What does the sign of the slope tell you about a line?

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.