Josh wants to make a set of 12 ceramic cups. he figures he'll need 0.75 of a pound of clay for each cup. how many pounds of clay does josh need in all?

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Which of the following parabolas opens down?