(-5, -8)
(x, y)
would be your answer
-2/(a+b)
Explanation: you are dividing negative two by the sum of a and b so you would put a+b in parentheses as the denominator and then put -2 as the numerator
18÷(5-2)
18÷3
6 is the answer
To find the difference, subtract Thea's earnings from Hadley's earnings.

Thea earned $54 more than Hadley.
It can be anyways..400 minutes after 30 or 30 minutes after 400