Add all the numbers on the shape until you get your answer
If she maintains her average amount of movies bought every week, then she will buy 20 DVDs in 10 weeks. Explanation: she buys 4 every week, so if we want to find out how many are in 10 weeks, we must multiply two until we get to 10 ( five weeks ) then multiply that buy her average of movies. And that is how we get the answer of 20 DVDs! ( her at least I did )
Anyways, hope this helps!
Should be D. Let me know if you need more of an explanation.
41 Fahrenheit is 5 Celsius
Parameterize the circular part of 
(call it 
) by
wih 
, and the linear part (call it 
) by
with 
.
Then
