Please find the correct answer for this question because I will give you hearts and brainliest and also it is worth a lot of points. It is from savass this assignment so please get it correct.

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

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x