An electrician earns $45 per hour for doing a house call. Which expression can be used to find how much an electrician earns for any number of hours, h? A. 45h
B. h + 45
C. 45 + h
D. 45 – h

Jerrold has to buy 12 copies of a textbook which costs $36.25 per copy. how much must he spend for them?

Based on calculations, students should have 10.4 grams of powder after conducting an experiment. the students get these results: 10.2 grams, 10.4 grams, 10.3 grams, 10.4 grams, and 10.5 grams. which words best describe this data? check all that apply. a- accurate b- falsified c-invalid d-precise e-redundant

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