Fill in the blank with the correct number. The number is divisible by 2, 3, 4, 6, and 10.
A. 44
B. 180
C. 280
D. 385

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.

Find the multiplicative inverse of 8-12i

How can you tell when x and y are not directly proportional?