Answer:
b 19.2
Step-by-step explanation:
a = 
for a circle. We do not want to find the area for a whole circle. We only want to find the area for part of a circle. a hole circle is 360 degrees.
a = 


a = 
(
)
a = 19.2 rounded.
Answer:
Yes. No graph paper.
Step-by-step explanation:
Let's say the 3 points are A, B, C.
If A, B and C lie on one line then 

Hence, they lie on one line.
You don't need to use a graph paper to prove it.
Answer:
so many bots have replied to my questions :\\\
Step-by-step explanation:
28 miles per gallon. To find miles per gallon you do miles divided by gallons which in this case is 322/11.5=28.
If you need any more help feel free to message me.