The cost in dollars of producing x units of a particular telephone is c(x) = x2 – 2500. find the average rate of change of c with respect to x when the production level is changed from x = 100 to x = 103. include units in your answer. find the instantaneous rate of change of c with respect to x when x = 100. include units in your answer.

Identify the number as a rational or irrational.explain. 127

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.