Which of the following inequalities has x = 3.5 as one of its solutions?Which of the following inequalities has x = 3.5 as one of its solutions? 9 > x + 6.3
3 x + 5.6
4 < x + 1.25

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