Answer:
From the above attachment we can conclude that the sum of the angle 'b' and 40° is 90° (right angle)

- <u>b = 50°</u> is the right answer.
Answer:
d
Step-by-step explanation:
If you're asking if you can or cannot multiply integers, then yes you can
Answer:
(6 + 3/n) -8
Step-by-step explanation: