A student earned a grade of 75% on a math test. What was the total number of problems on that test if that student answered only 18 correct problems?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

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?