Hi!
When you add a negative number, you really just subtract it. So let's solve this.
Convert the mixed numbers into improper fractions.

Solve
434 - 351 = 83

The sign of this fraction is positive
Hope this helps! :)
-Peredhel
Answer:
C. 68.1 ft.
Step-by-step explanation:
Hope this helps
Domain is X and Range is Y. So the range will be all the Y's which is the second answer
Answer:
1. B
2. A
Step-by-step explanation:
I've done this before, very easy.