Pls help, it’s timed

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!

Empty box + box + empty box fill in the box is equal to 30 how

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9