What is the distance between point a and point b.

Which triangles area would be calculated using the trigonometric area formula

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.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')