What is the quotient of 22,389 and 13?

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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

Atemperature of 1.64◦f corresponds to answer in units of ◦c.