If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is