Write each fraction as an expression using exponent other than -1

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.

Acircle has a circumference of 28.36 units what is the diameter of the circle

What is the equation of a line passing through (-6,5) and having a slope of 1/3