Amanda has a job that pays $9 per hour plus tips (t). Amanda worked for 6 hours on Friday and made $100 in all.
Which equation could be used to find the amount t that Amanda made in tips?
100 = 6 + 9
100 = 9+ + 4
100 = 9+ + 4
100 = 9(6) +t

Which equation can be simplified to find the inverse of y = 2x2?

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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