Can you please show your work

What is the common denominator for 3/5+3/4

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 the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16