If f(x)=2x+4 and g(x)=x^2+1,find (f o g)(3).

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

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?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.