6. Quadrilateral ABCD has vertices at A(0,6), B(4, -1), C(-4,0) and D(-8,7). Prove that: (a) ABCD is a rhombus using the distance formula

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1

Solve the system of equations. 2x-2y=-4 and x+y=8. show work