Answer:

Step-by-step explanation:
I suggest looking lessons on it online if you don't understand... It's hard to do your work especially if you don't understand it. Or if your online, go to past lessons or something.
The answer would be no. She needs 264 plastic covers in order to fit all comic books.
Divide 1,056 by 4
You should get 264. <span />
Answer:

Step-by-step explanation:
We want to solve
, where
.
We rewrite in terms of sine and cosine.


Use the Pythagorean identity:
.




This is a quadratic equation in
.
By the quadratic formula, we have:




or 
or 
or 
When
, 
on the interval
.
When
,
is not defined because 
12 times 35 times 28= 980..... im not sure
Answer:
three million
Step-by-step explanation: