The area of a circle is represented by the equation A = π r 2 , where r is the radius. The area is 64 π m 2 . What is the length of the diameter? 4 meters 4 meters 8 meters 8 meters 16 meters 16 meters 32 meters 32 meters

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.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?