Estimate to find the quotient of 918 - 27. then, find the exact quotient, and use multiplication to check your answer

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.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.