PLEASE ANSWER IM DOING MY FINALS! The multiple choice answers are A.15.5 B.17
C. 23.25
D. 29.5

What is the area of triangle abc if a = 8, b = 11, and c = 15?

I’m still confused on how to work the percentages

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)