Answer:
First choice: m = -4
Step-by-step explanation:
The second equation is already solved for n, so lets's use the substitution method and substitute m - 2 for n in the first equation.
m - 2n = 8
m - 2(m - 2) = 8
m - 2m + 4 = 8
-m + 4 = 8
-m = 4
m = -4
Answer: 1.) √121= 11
Step-by-step explanation:
11•11=121
11x11=121
You have to minus the 3 feet of the door = 118
Hope this helps.