F(7) = 18, then f(x) = 2x +

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.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14