Answer:
3
Step-by-step explanation:
2j = 6 divide 2 on both sides
j = 6/2
j = 3
97.5
Supplementary means the angles add up to 180°
So,
m∠A = 180 - m∠B
m∠A = 180 - 82.5
m∠A = 97.5
Here is ur answer mate