Dante bought 15 pounds of metal for $36. Which purchase would have the same cost per pound as Dante's purchase? AS pounds of metal for $12
B6 pounds of metal for $15
C 8 pounds of metal for $18
D9 pounds of metal for $21

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

How do you find the circumfrance of a circle?

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.