Given that 3^x = 4^y = 12^z, show that z = (xy)/(x+y).

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!

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?

In which month was the peak, the largest deposit, made? january june july august