Answer:
...........................
Step-by-step explanation:
X axes are supposed to be positive and the y is negative.
<em>Answer:</em>
A: represents a function
<em>Explanation:</em>
Every other option, A, has two y for one x.
It can be a function if there is 1x for 1y.
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Answer:
$162
Step-by-step explanation:
Discount = percentage discount ÷ 100 × original cost
Discount =
× $405 = $162