How does the average rate of change of the population from 2013 to 2015 compare to that from 2011 to 2013? Explain what this means in terms of the population of the country,

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Given that y varies directly to the square root of (x + 1), and that y = 1 when x = 8,(a)express y in terms of .x,(b)find the value of y when x = 3,(c)find the value of x when y = 5.