Well if there were 50 questions it would be 2 points each so if he ended up with 96% he must have missed 2 questions

The formula of the sum of the arithmetic sequence:

calculate:

substitute

Your answer is:
Answer:
45 °
Step-by-step explanation:
m< ABC = m< DBC + m< ABD
= 115 _ 70
= 45 °
Answer:
I think it's 126cm not sure
Answer:
165/14
Step-by-step explanation:
(7-4) + 17 / -14 + 2 x 5
3 + 17/-14 + 2 x 5
3 - 17/14 + 2 x 5
3 - 17/14 + 10
165/14