Earl runs 45 meters in 30 seconds. How many meters does Earl run per second? Earl runs meters per second.

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

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.

4+(2+x) can you me solve this problem