Someone finish it please

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.