Help plz i must put in the squares just ÷or× to get the result 3⁹⁹,*i jusr can put ×or÷ in the squares
help me plzzz i will thank you so much,​​

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

1foot = 12 inches; 1 yard = 3 feet

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!