I could really use your help:)

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?

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.)

Build is 120 wide 20 feet high 48 feet long how many cubic feet and the volume