You do not have to graph it! Just help me get the equation and answers to the questions PLSS!

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

To decrease an amount by 16% what single multiplier would you use

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?