A roller skating rink offers a special rate for birthday parties. On the same day a party for 10 skaters cost 107 and a party for 15 skaters cost 137. What is the cost for 12 skaters

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

3x + 4y = 5 x- 3y = -7 solve by substitution