It is good equation. Look, that:
81 = 3 x 3 x 3 x 3 = 3^4.
So you have to solve:
3^x = 3^4
exponents have to be the same, so
x=4
That's mean that A(4) = 81
By the Law of Sine,

Solve for x and get x = 65.7.
Q=M-2P/3
because in order to solve for a variable you have to get alone. Make sense?
Answer:
5/22 or 0.22%
Step-by-step explanation: