A section of the beach erodes 3/4 meter per year. The beach eroded for 8 years. By how many meters did the length of the beach change.

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?