How many $10 bills are the same as ten $1bills?

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

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table