23(x)-85
Substitute 12 for x
23(12)-85
276-85
191<span />
The simplified expression should be 3/7
If 3 =

, then we know 9 =

because 9 is 3 squared.

can be simplified to

So now we know

=

·

Since

and

have the same base, we can express it as a single term by adding the exponents together.
So the answer is C)
9.6x_12................
10
The answer is <span><span>2 <span>1/3 i know bc i just did the test and got it wrong with the other answer </span></span></span>