349 students go on a field trip. There are 19 vehicles, some vans and some buses. 7 students can fit in a van and 25 students can fit in a bus, how many buses and vans? Please help!!

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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

The reflexive property of congruence lets you say that ∠pqr ≅