6 x ( 7 x 3 - 3^2) - 6
help me pleasee

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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.

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions