K(x) = x ^ 2 + 7x - 1 : x = - 3 Value of x

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.

The sum of two numbers is 86, and their difference is 20. find the two numbers

Solve: 3x+y=6 4x-2y=18 show all work !