Is this right? please correct me if I'm wrong.

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!

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression