What is the first step to prove that 9^n - 4^n is divisible by 5?

the answer should be,

A. shows that 9^1 - 4^1=5

hope this helps! :)

B

Step-by-step explanation:

verify that ho3

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value