How many boys are in the sculpting class ? plz plz asap ?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.