You are able to walk uphill at a speed of 2 miles per hour and downhill at a speed of 3 miles per hour. what does the graph represent?

Plzzz answer both questions and i will give you 100 points

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?

Susan is paying $0.30 per $100 on her $483,000 home in homeowners insurance annually. if her annual homeowners insurance premium is divided into twelve equal monthly installments to be included on each of her monthly mortgage payments of $2,128.00, what is her total monthly payment?