The population of mastertown was 23,000 in 2012. assume that mastertown's population increases at a rate of 2% per year. write an equation to model the population of master town(y) based on number of years since 2012 (x)

The product of two negative rational numbers is always zero sometimes zero never zero

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Nine more than four times a number is the same as one less than twice the number. find the number?