Which equation results from isolating a radical term and squaring both sides of the equation for the equation √x + 6 + √x=8

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

How do you write 0.5% as a fraction

Select quivalent or not equivalent to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column.