What information would allow you to identify angle bfa and angle afe as complementary angles?

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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.