Add then simplify. Your answer should be as a mixed number (no improper fractions) in simplest form 4 5/6 + 5 3/4

A. 9 8/10

B. 9 4/5

C. 9 19/12

D. 10 7/12

Need this asap if anyone can i would be very grateful. if you could show workings that would really

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.