Someone help me with this

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Can (3,5 and square root 34) be sides on a right triangle?

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells, n, and the total amount he earns in a year, e. what is the total amount abe would earn from selling 10 apartments in one year