Answer: answer is in the photo
Step-by-step explanation:
30 is your mystery answer :)
you can use calculator because it shows the graph and table.
Angles D and A are equal (from the statement bc the name of triangle starts with A and D)
Now set an equation of the angles so
45 = 5y -10
Add 10 on both sides
55 = 5y
divide by 5
y = 11
Answer:
147
Step-by-step explanation:
236-89=147