Question is attached above.

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.