Which number is bigger 2.55 or 5.2​

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

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