Carl is boarding a plane. He has 222 checked bags of equal weight and a backpack that weighs 4 \text{ kg}4 kg4, start text, space, k, g, end text. The total weight of Carl's baggage is 35 \text{ kg}35 kg35, start text, space, k, g, end text.

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Step-by-step explanation:

rick would give her the best deal as he will charge $8.88 per hour

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value