In the diagram of circle c, what is the measure of angle 1

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

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Arecipe calls for 3 ounces of flour for every 2 ounces of sugar. find the constant of proportionality.