It takes benjamin 28 minutes to mow 2 lawns. how long does it take him to mow 1 lawn? assuming the lawns are the same size and benjamin works at the same speed, how long will it take him to mow 5 lawns?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

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.

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.