Answer:
-Judy is closest to real value.
-% difference is 4.6%
Step-by-step explanation:
-We calculate the margin of errors for both Judy and Atticus:

We realize that Judy's assumed value was nearer to the eal value than Atticus'.
The percentage ME difference is calculated as:

Hence, the % error difference is 4.6%
Answer:
(- 3.5, - 5.5 )
Step-by-step explanation:
Given the 2 equations
y = x - 2 → (1)
y = 3x + 5 → (2)
Substitute y = 3x + 5 into (1)
3x + 5 = x - 2 ( subtract x from both sides )
2x + 5 = - 2 ( subtract 5 from both sides )
2x = - 7 ( divide both sides by 2 )
x = - 3.5
Substitute x = - 3.5 into either of the 2 equations and evaluate for y
Substituting into (1)
y = - 3.5 - 2 = - 5.5
Solution is (- 3.5, - 5.5 )
Y=mx+b is slope intercept form
y=-3/2x-2 is your answer