help with these. thank you!

19. Consider the circuit in the diagram The current in the 4.00 (2-resistor is: 9.00 V 4.00 02 A) 0 522 A BY 0.578 A D () 1 100 A 2.00 V 5.00 9 DID.852 A 5) 1.222 A E 8.00 92 20. Consider the circuit shown in the figure below. 40.0 $2 20.0 02 50.0 0 A 70.0 02 20.0 0 . B 20.0 92 The equivalent resistance between terminals .# and B is 4 1630 B) 14.8 9 C) $ 92 Q D) 7.56 0 E) 2.78 12