Todd is attending a school orchestra concert. He sees his math teacher seated 20 meters ahead of him and his science teacher seated 21 meters to his right. How far apart are the two teachers?

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

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

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units