Sammie took $25 out of her checking account. after taking the money out of her account she had $100 remaining. which equation can be used to find the amount, c, sammy had in her account before she took the money out? c ÷ 25 = 100 c × 25 = 100 c + 25 = 100 c - 25 = 100 flag question skip

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Ithink i know it but i want to be sure so can you me out ?