Answer:
1 ) alternate interior angle
2) corresponding part of congruent triangle
3) vertically opposite angle
4)∆HED congruent to ∆FEG
5) parallel lines and alternate interior angle
The second one is correct
Sum divided by count. Add up all the numbers and divide it by how many numbers it is.
13
Because the exponent is really just how many factors you have.
For example 2 to the power 5 would have 5 factors in expanded form.
