Answer:
10
Step-by-step explanation
3 x 4 = 12
8 + 12 = 20
20 / 2 = 10
x = 3
Step-by-step explanation:
A vertical line has the form x = constant. The graph shows the constant you want is 3.
The 1st, 3rd, and the 4th
125 = 5 x 5 x 5 or 125 = 5³