Answer:

Step-by-step explanation:
=
We need a common denominator before we can add.
+
means the same thing as
-
= 
Its basically just subtracting from one another
for example, 6-6 is 6
or -4-3= 7
Hello!
173 + 32 = 205
5 * 205 = 1025
A = 1/2bh
40 = 1/2 x^2
x^2 = 80
x = 8.9
The awnser will be 16 because the beginning if the trail is not the beginning of a mile