Maureen went on a 3 day, 50 mile biking trip. the first day she biked 14.3 miles. the second day she biked 21.1 miles. how many miles did she bike on the 3rd day

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?