1. the table is rectangular. it is 4 feet wide and 8 feet long. will a tablecloth that is 56 square feet cover it? explain.

2. olivia is doing her math homework, for each problem she uses 3/4 sheet of paper. how many sheets of paper will she need to complete 20 math problems? explain.

Three coins are flipped. what is the probability that there will be at least two tails?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

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.