Which operation should be performed first according to the order of operations?
44 ÷ 2 + 9 – [120 – (5 + 10 • 7)]
A.
44 ÷ 2
B.
2 + 9
C.
5 + 20
D.
10 • 7
44 ÷ 2 + 9 – [120 – (5 + 10 • 7)]
A.
44 ÷ 2
B.
2 + 9
C.
5 + 20
D.
10 • 7