Express as a trinomial
(3x + 4)(3x – 10)

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.

Anyone know? is appreciated! will mark brainliest if correct!

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other