Me 20 pts rewrite the formula for area of a circle to find the radius of a circle. the area of a circle (a) is given by the formula a=pir^2 where r is the circle's radius. the formula to find r is . if a=54 centimeters and pi= 22/7 , r is centimeters.

Pranza plotted point a in the coordinate plane below.

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75