X=a+b+4 and a∝Y²; b∝1/y. When Y=2; X=18 and when Y=1; X=-3. Find X when Y=4.​

Restrictions on f(x) = 1/x+5 and g(x) = x-2

What percent of the circle below is shaded?

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.