Do all parallelograms have diagonals that are lines of symmetry?

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)