-2(6) + 3(5 – 4​· ​2)

-21. First multiply -2 and 6 to get -12. Then use order of operations to simplify the second parenthesis. 4•2 is 8. 5-8 is -3. 3(-3) = -9. Combine the two to get -21. Hope that helps!

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.