Answer:
9 = 
Step-by-step explanation:
Using the rule of logarithms
x = n ⇔ x = 
Given
9 = x ⇔ 9 =
← in exponential form
Answer:
s = 11
Step-by-step explanation:
Given
=
( cross- multiply )
8(s - 2) = 72 ( divide both sides by 8 )
s - 2 = 9 ( add 2 to both sides )
s = 11