It takes kayla 12 minutes to walk from her house to her granparents' house. she walks to and from their house twice a week. about how many minutes each week does kayla spend walking between the two houses?

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Solve 2x+y=3 x+y=5 in substitution method

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.