One hamburger and two orders of fries from the local mall cost $13.45. Your best friend bought three hamburgers and one order of fries for $22.10. Use substitution or elimination to determine the cost of one hamburger and the cost of one order of fries.

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

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?