I will mark as the B who has the correct answer​

DETERMINE WHETHER THE FOLLOWING ARE EXPRESSION OR EQUATION
Hindi po ninyo isolve isasagot lang po
Expression or Equation

1.8 - 5 = 9 ÷ 3
2.7x = 49
3.6m + 7
4.3² + 10 = 19
5.(45 ÷ 9) + 2³

iwill rprt who has wrong answer​​​