Need answer asap this is due ! need
a. 2
b. -2
c. -1/2
d.1/2

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

What is always true about a positive integer raised to a negative odd power?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.