6v+4w-4
Because you do -*-6v=positive 6v then -*-4w=positive 4w and then -*4=-4 and that takes care of the parenthesis
Basically you multiply the outside number or sign by all things inside the parenthesis
So in this problem you multiplied the negative sign by all the things inside the parenthesis
Answer:
97
Step-by-step explanation:
I used the law of cosines: 
Let plug the numbers in : t^2=
which approx is 97 to the nearest inch.
Answer:
C I believe
Step-by-step explanation: