Suppose that c(x)= (7x^3) - (84x^2) + (22,000x) is the cost of manufacturing x items. find a production level that will minimise the average cost of making x items. at this level, the average cost of making x items is how much?

What is the area of the trapezoid shown ?

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.