Which is the solution to the inequality below?

|x-2|+4≤3

a.) no solution
b.) x≥−1orx≤1
c.) x≤1
d.) −1≤x≤1

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

Ineed to know the answer to this algebra question.

See attachment below and find the equivalent of tan(∠qsr)