Opposite number is the same number with the opposite sign:
So the opposite of
is
, since the original number is positive
opposite of
is
, since the original number is negative
56/74 = 28/37
y^-2
s^2
3a/4a
7g/12g
0.5p^-1
2/7k^3
2b/3d
I suppose the answer is b. Graph the system to show all possible solutions
Since the average of 6 tests is 6, and we know that the average is found by dividing the total score by the number of tests, we can just multiply the average by the number of tests to find the total score. Doing this, we get 82 * 6 which simplifies to 492.