Answer:
-12
Step-by-step explanation:
Set up the ratios as proportional fractions:

We can simplify the first fraction to make the problem easier. Both the numerator and denominator of the first fraction can be divided by 3:


Both fractions now have the same denominator. Since both fractions have to equal each other, the numerators will also be the same. Therefore,
x = 4.
Percent Error =

So, Ari's experimental value is ,

The accepted value is,

Here's The Work

Ari's Average Measurements Have An Percent Error Of 2.26%
Answer:
ummmm i really don't know
Step-by-step explanation:
B then that’s how you get the answer