5. Which will result in a positive number?
O A.(-12) – 7
O B.(-7) – (-2)
O c.(-3) - 5
O D. (-8) – (-11)

plz help :(

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.