Pls !                                                                                                                                                                                                                                                     choose the answer. 1. solve. 5/6 - 4/5 a.1/1 b.1/11 c.1/30 d.9/11

An equation where variables are used to represent known values—function notation true or false

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

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