Question Help A 204-inch pipe is cut into two pieces. One piece is five times the length of the other. Find the
length of the shorter piece.

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

Yo need asap pls ! markin da brainiest too !

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom