You have a coupon of 10% off a dvd that cost $15. if a tax of 8% is charged on the original amount, what will you pay for the dvd

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs