Can sum one help me w those 2 questions? I needa turn dis assignment ASAP. Thank you !

Simplify the expression. enter the correct answer.

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!

If m 17 27 90 63 ** picture is attached