I believe that A would be your answer because 3.25 + 2.25 + 1.50 = 7 and four percent of seven would be $1.05 and tip is $.28 cents
The second one is C
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When your vehicle becomes a temporary hazard for other road users
The nebular theory suggests that protoplanets began to form around the protosun from many collisions and combinations of gas and matter.
Answer:
They use a control group.
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