What is the missing number 12×1= 12+w

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!

Need same math paper but the back now i hope your able to read it cleary i need with hw

What is the absolute value of the complex number -4- 2 v14 3.15 14 18