Find the perimeter of rectangle pqrs with vertices p(0,0), q(0,7), r(12,7) & s (12,0).

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

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

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is