Alright. -2-(-4) = -2 + 4 because a negative and a negative equals to a positive[(-2-(-4)]. It would look like: Put a dot on -2, then move your dot 4 units to the right, which is +2.
So, we need to add.
45 + 30 = 85.
$0.85 is your answer.
Glad I could help, and good luck!
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Answer:
12.5
Step-by-step explanation:
f of x just means y, so you're just finding y when x = 1/2
Answer:
5
Step-by-step explanation:
5+7