Find the third angle in a triangle when the other two angles are (2a-32)° and (3a+22)°

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 vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4