Simplify the following expressions and please show steps : >

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

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.