.Find the value of 4st - 2t if t = 3 and s = 2.
A. 24
B. 20
C. 18
D. 12

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.

For each proportion find the unknown number x 1/5/8=×/15

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?