I cant see the answers anyone else has the problem

Which number line correctly shows 0.8 + 0.3?

What makes a trapezoid an isosceles trapezoid?

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.)