I have received incorrect answers for these questions from the tutors so far and it's getting very frustrating. I have no clue what I'm doing wrong. Please help!

For all the following questions, assume the distributions are normal, and always draw a picture to help you solve it.

If an exam produces a normal distribution of scores with a mean of 78 and a standard deviation of 9, what is the probablitity of scoring higher than 85%?

Please show me all the steps including before or if you round any numbers. Thank you