The equation r=10a-20 represents the revenue r (in dollars) you make by spending a dollars on advertising. you revenue totaled $110. how much did you spend on advertising

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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.

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655