Two metal strips, X and Y are length of 84 cm and 126 cm respectively. They are cut into smaller strips of equal length without any left over. Calculate the longest length for each smaller strip so that there is no left over from strips X and Y.

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

What expression is equivalent to log3(x+4)

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4