Need all the answers plz! will make brainliest

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

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.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10