Amy has 3 children, and she is expecting another baby soon. her first three children are girls. is the sex of the fourth baby dependent or independent of the first three?

The graph shown is the graph of which function?

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

9/10 divide by -3/15 as a mixed number