Sean lives about 15.5 miles from the airport. which number rounds to 15.5 when rounded to the nearest tenth?

Given the following statements, which is the best

Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most

Find the value of the variable and the length of each chord for #5 and #6.