The midpoint of the points ( 4, 5.5 ) and ( 4, 10.5 ) is the center of the circle: C = C = ( 4, 8 ), h=4, k=8 r = r = 2.5 The equation of the circle in standard form: ( x - h )² + ( y - k )² = r² ( x - 4 )² + ( y - 8 ) = 6.25
Let c=cost of cherry and s=cost of strawberry cheesecakes. 12c+14s=214 6c+11s=151. So 12c+22s=302 subtract 12c+14s=214: 8s=88, so s=$11 and 6c=151-11s=151-121=$30. The cost of one cherry cheesecake is $30 and of one strawberry is $11. The cost of the sum of both is $41.