1.The coordinates of the vertices of the triangle ABC are: A(5,4),B(-1,5),and C(2,1). 1A. Prove ABC is isosceles. 2B. State the coordinates of point D such that quadrilateral ABCD is a square. 3C. Prove that your quadrilateral ABCD is a square.

One integer is 8 times another. if the product is 72, then find the integers

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?