Afair coin is tossed three times in succession. find the probability if getting exactly one tail

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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.