if the measure of angle 2 is twice the measure of angle o, then which of the following must be true?
m∠p is greater than m∠o
m∠p is less than m∠o
m∠p = m∠o
m∠2 = m∠o

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling