The expression 4a+2b gives the cost (in dollars) for a sandwiches and b bags of chips at a sandwich shop. a. The cost for 1 sandwich is $ and the cost for 1 bag of chips is $ . b. The total cost for 3 sandwiches and 3 bags of chips is $ . Question 2 c. Is $30 enough to buy 5 sandwiches and 6 bags of chips?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

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?