In Exercises 7–10, find the coordinates of the circumcenter of the triangle with the given vertices.
(See Example 2.)
7. L(3,-6), M(5,-3), N(8,-6)

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

If you could answer these your a life saver