Answer:

Step-by-step explanation:
Lines form 180 degrees on either side. The negative sign simply implies direction (clockwise instead of counter-clockwise), which is negligible as 180 is exactly half of 360 so you'd form the same line.
Answer:
330
Step-by-step explanation:
this question wasn't as sepcific but my answer is 330 bc 7 more then 4 i suppose u to add? so that would be 11, so 11 times a number that is more then 27 so i picked 30, 11x30=330.
Answer:
The value of 
Step-by-step explanation:
Let's recall the the formula for volume of a pyramid.
Volume of a Pyramid
....equation 
where
and 
Now we have been given the values of
and
and have to find the value of 
Plugging the values of
and
in equation 

Now we can also check our previous results.

So, our final answer is 
Answer:
a=k-w+v
Step-by-step explanation:
k/a= w-v
a( k/a) = a (w-v)
k -w + v =a