Determine a cosine function, f(x), and a sine function, g(x), such that h(x) = sqrt 2sin(pi(x + 2.25)) can be written in the form of f(x) - g(x)

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.

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?