Acellular phone company charges a $49.99 monthly fee for 600 free minutes. each additional minute costs $.35. this month you used 750 minutes. how much do you owe?

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

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.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?