Any girl is single I want a gf​

Arival company manufactures fuel tanks for cars using a different production technique. the total weekly cost (in dollars) of producing x tanks is given by c(x) = 10000 +90x - 0.04x2 find the marginal cost at a production level of 500 fuel tanks per week to approximate the cost of the 501st unit (round to the nearest 2 decimal places, if needed)

Which of these makes a student loan different from other types of loans

Robert is a district manager who oversees several store managers in a national chain of restaurants. robert reports directly to the vice president of stores and marketing, a member of top management. robert is a middle manager.t/f