Answer:
14
or 
Step-by-step explanation:
Turn your fractions into improper and make them have the same denominator
+
=
Leave it as is or simplify to 14
Answer:10 weeks
Step-by-step explanation:
900 is goal
900/90 is 10 or 10 weeks
Answer: Find answer in the attached files
Step-by-step explanation:
The perimeter is 10.3. I think that's already in significant digits, but I'm not sure. We just got finished learning that in chemistry and it confused me to death!