Which of the numbers below are rational? Select all that apply. A) 24−−√
B) −54
C) −8.68
D) 16

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.

Factor the polynomial. b^2 + 4b + 4

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax