Davis plots the points A-6, 4), B(-1, 1) and C(3, 1) in a coordinate plane. Which statement about angle ABC is true?

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.