You can
put this solution on YOUR website!Start with the given distance formula

where
)
is the first point
)
and
)
is the second point

Plug in

,

,

,

Evaluate

to get -4. Evaluate

to get 6.

Square each value

Add

Simplify the square root (note: If you need help with simplifying the square root, check out this
solver)
So the distance approximates to
which rounds to
7.21
So the distance between (5,6) and (9,0) is approximately 7.21 units