The difference in elevation of a helicopter and a submarine is 18121812 meters. the elevation of the submarine is −734−734 meters. write and solve an equation to find the elevation hh (in meters) of the helicopter.

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

Which of the following describes the symmetry of the graph of y = x3?

Which function has the domain x> -11?