Yo look down for my explanation AND answer.
Step-by-step explanation:
Answer:
Substitute into second equation:
Substitute and into the third equation:
Substitute into :
Plug in y and z values into :
looks like D...............
389,936,206,767
3 7/8-2 5/8
<u>31</u><u>-</u><u>21</u>
8
=10/8
=1 1/4 more