Answer:
D-70
Step-by-step explanation:
It is a combination C(8,4)
Answer:
Usually there are the variables x y z but it doesn't matter what they are.
Step-by-step explanation:
First choose your first variable to solve. Find x by putting all the numbers and variables to one side.
once you found x substitute the answer for x in all the equations. Next find y and substitute your answer in all the equations again.
Once you have solved 2 variables then you are able to solve z.
If you have questions please feel free to ask in the comments below.
Please provide the other fraction so we can give you the right number or at least a picture.
Answer:
dont worry if people report you for a answer that is not right lol trust me i know
Step-by-step explanation:
B and C (I think they are the same)