IM TIMED HELP PLS , solve the system of equations using substitution method , y = 2x + 8 , y = 4x - 2

Which expression is equivalent to? assume x > 0 and y > 0.

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!

Which value of y will make the inequality y< -1 false?