20
There are 10 feet of posts on each side. That means there are 40 feet of fencing in total. If you divide that by two (to represent posts being 2 feet apart) then you get 20. There are 20 posts needed.
X = log (base b) y
The base of the log becomes the base of the exponent.
The x and y switch.
b^x = y
The answer is 19.. substitute -1 into the function whenever you see x put -1 there. This implies that 3+16 =19
Answer:
+65
Step-by-step explanation:
If you distribute negative with negative it gives you positive
