Can someone me out (it's math , volume )

If g(x) is an odd function, which function must be an even function?

W-16=-12 solve each one step equation plz

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.