For every 4 back handsprings Kayla completed, Rose did 5. If Rose completed 15 handsprings, how many did Kayla complete?

What expression is equivalent to (2x-1)(x-3)?

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?