Help? Plz and thank u

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?