Just use a calculator.
but if this is not a joke
the answer is 24.94
-1/5 * n ≤ 17
n ≥ -17/5 is the answer
Answer: y = 7
Explanation:
7^8/7y = 7^6
7^7/y = 7^6
In order for 7^7 to become 7^6 you need to divide by 7
Which mean y = 7
So that:
7^7/7= 7^6
7^6 = 7^6