What is the lowest terms of 13/17 {this is a fraction that's just to let you know}

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122

Hello, i need compare km^2 and km. what's difference in this?