Insert four arithmetic means between 15 and 45

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

Use circumcenter theorem to solve for the given values

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10