The radius of the circle with a central angle of 5 radians that intercepts an arc with length 63 cm is

How do i do this? i don’t understand

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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.