Look at the picture.
Definitions:

We have:
and Quadrant II (x < 0, y > 0)
Therefore x=-3 and y = 2. Calculate r:

Substitute to the formula of cosine:

Answer: a.
9 is 60000
and 11 is 600km is larger
Answer:
Step-by-step explanation:
theres 4reds every 50 so do 50x4 then you times that by four 50x4=200 so do 200x4=800
1 pound bananas = 4 small bananas - Wikipedia
4 small bananas : 59 cents