Estimate the number of hot dogs sold by rounding each number in the table to the nearest thousand and finding the sum

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)