Posted by Shawn on Monday, December 1, 2008 at 6:59am.
Simplify:
Note: The first letters next to log are the small letters.
16.) logr r
17.) logt t^4
18.) logb 1

Algebra help  drwls, Monday, December 1, 2008 at 9:17am
16.) logr r
r^? = r
? = 1
17.) logt t^4t^? = t^4
? = 4
18.) logb 1
b^? = 1
b = 0
(Any number to the zero power is one) 
Algebra help  Shawn, Monday, December 1, 2008 at 9:46am
Thanks

Algebra help (correction)  drwls, Monday, December 1, 2008 at 1:47pm
Please forgive my sloppy typing. Here is what I meant. I hope you were able to figure it out anyway:
17.) logt t^4
t^? = t^4
? = 4
18.) logb 1
b^? = 1
? = 0