Considere a expressão A , definida por: A = 2x + 4y + xz + 2yz. Sabe-se que x+2y = -4 e z = 3. Dessa forma, o valor de A é igual a: a) -20. b) -16. c) -12. d) -1.

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

Solve the equation by completing the square. x^2+2x=17

On the day a coffee shop first opened, it had 140 customers. 65% of the customers ordered a large coffee. how many customers ordered a large coffee? enter your answer in the box.