Colin and brian were playing darts. colin scored 171. brian scored 17 more than colin. what was their combined score?

What is the square root of 45? (step by step working plz)

How many square centimeters of wrapping paper will be used to wrap the shoe box?

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18 }, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.