Mr. Smith sent an equal number of messages to students in his classes each day for one week, including the weekend. At the end of the week, he had sent 105 messages. How many messages did he send each day?

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.

Simply 8x squared + 5(7x squared- x) - 2x =

Find the cosine function that is represented in the graph.