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.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Need showing work for this problem 56.25 ×25.80

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.