Encuentra un numero de 4 dijitos que cumpla con las siguientes caracteristicas todos los dijitos son diferentes, el dijito de los millares es el triple del dijito de las decenas, el numero es inpar, y la suma de los dijitos es27

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?

Which of the following expressions is equal to 2x^2+8

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition