Eight and 2 have different place values in the numbers
Answer:

Step-by-step explanation:
Substitute y = x-4 in the first equation.

Distribute -2 in the expression.

Because we only want to find the value of x.
Therefore the answer is -4.
Answer:
882 ft
Step-by-step explanation:
Answer:
Yes because 5^2 + 12^2 = 13^2
Step-by-step explanation:
We can check using the Pythagorean theorem
a^2 + b^2 = c^2
5^2 + 12^2 = 13^2
25+ 144= 169
169 = 169