Emils backpack weighs 6 3/8 pounds. he removes a book that weighs 3/4 pound. then he removes a book that weighs 1/2 pound. his much does emils backpack weigh now?

Can someone me with my hwplz(only the circled ones)

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer