Find the critical values x2r and x2l for the given confidence level c and sample size n. c=.95, n=15

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?