Atriangles circumcenter is outside the triangle. what type of triangle is it?

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220