Write a cosine function for the graphD. y=-2cos3theta

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

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.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys