Who can answer my graphing questions for me need help

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

Aquadratic equation in standard from is written ax^2= bx+c, where a, b and c are real numbers and a is not zero?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.