What is the experimental probability that the next patient will be a male in the age range of 10-21?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=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 -8x3-2x2-12x-3 by grouping what is the resulting expression?