If p is inversely proportional to the square of q and p is 12 when q is 9 determine p when q is equal to 2

Can someone me with my hwplz(only the circled ones)

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?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?