Question

Please help me with this

Answer 1

is the answer you add 19 + 21 give you 40

40

Answer 2

The answer is s = 1.

Explanation:

Opposite sides of a parallelogram are equal so,

3s + 19 = s + 21

3s - s = 21 - 19

2s = 2

s = 1

next,

s + 21 =? 3s + 19

1 + 21 equal to (?) 3(1) + 19

22 = 22

so the answer is correct