Are you sure this is written correctly. It is not factorable as it is
Answer:
1.9x10^-2
hope this helps
Step-by-step explanation:
Answer:

Step-by-step explanation:
{x -4y = −21
{8y - x = 45
_________

[Plug this back into both equations above to get the x-coordinate of 3]; 
I am joyous to assist you anytime.
okay well since no one said the answer 1. is A and D and 2. is B