Question

Help people HELPP please

Answer 1

Explanation:

16.

( (5)^2 - (1) ) ÷ 6

(25 - 1) ÷ 6

24 ÷ 6

4

18.

(2) - (4 - (3) - (2) ÷ 2)

2 - (4 - 3 - 1)

2 - (1 - 1)

2 - (0)

2

20.

(1 + 1)^2 - (5 - 5)

(2)^2 - (0)

4