Answer:
It’s A you are correct kid
Step-by-step explanation:
Answer:
(9,1) (9,1)
Step-by-step explanation:
2×+y=0,
×-y=6
Add the 1st to the 2nd equation==> 3x +y-y=6+0==> 3x=6 & x=2
Plug 2 into any of the equation & you will get y=-4
The chance that one of the defective components is

or 2.14285714% that the qc person will test a defective unit.
He’s right the answer is b