Answer: 4 - 5 = 4 + (-5) = -1
Step-by-step explanation: You have to make the 5 into a negative number using parenthesis and do the math.
Well the answer i got was

when i multiplied
the answer i got when i added was
2x-2>-12
2x>-10
x>-5
hope this helps!
Answer:
f(x)=x
Step-by-step explanation:
that's keeping it simple... ;-)
Answer:
18
Step-by-step explanation:
since you want the difference in scores, you want to take the absolute value of the difference
9 - (-9) = 9+9 = 18