Answer:
i dont know
Step-by-step explanation:
The answer is y=-9
negative 9 remember that
Move the constant to the right-hand side and change its sign and calculate
Pedro did KCF (Keychain flip)
Step 1&2 are correct as he did the process right.
So, he must of multiplied or simplified wrong
So, 4×8= 32
And 7×8=56
As you may have noticed he has gotten 20/50 instead of 32/56
Where Pedro messed up is step 3
HOPE THIS HELPER (:!
<span>Confidence interval is given by CI = ẋ ±z </span>