How many square roots does the number 20 have?

The product of two negative rational numbers is always zero sometimes zero never zero

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

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.