A pet sitter charges $20 for supplies and $10 per hour of service. The equation C = 10n + 20 describes the total cost that she would charge for n of hours of service. If a client is charged $50 for her service, for how many hours did she babysit his dog?

Which expression is equivalent to 5r674 pression is equivalent to see lo 5r614) 4r322,4 ) 5 ( 2 5t5 |

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The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?