Answer: (-4) and 4
Step-by-step explanation: they are opposites

Square 12.1, and subtract 121 from both sides.

Complete the subtraction on the right side.

This is the solution.
Since one kilometer is equal to about 0.621 miles, a runner travels 3.105 miles in a five-kilometer race.
Answer:
option B is correct answer
because it is similar by AA similarity -.theorum
10x=12x-25
-2x=-25
2x=25
x=2.5