Answer:
(5,-6) is a solution
Step-by-step explanation:
Given


Required
Tell whether (5,-6) is a solution
In (5,-6): x = 5 and y = -6.
Substitute these values in the given equations
becomes



becomes



Because both solutions are true, then (5,-6) is a solution
Answer: 128/3
Step-by-step explanation: maybe
although none of these are right, C would make the most sense
This is a combination of 20 studants, 6 to 6: