Due in 5 minutes. i swear. me. and make the answer correct, other people keep giving me wrong answers: ( using all of my points

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12