Circle a has an area of 254.469 square units. what is the circumference of circle a? round your answer to the nearest hundredth, if necessary.

Find two rational expressions that have the difference of 2-n/n-4

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?