Solve the following addition and subtraction problems 12dag 5g-7g

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

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