Find the coefficient of x^5y^8 in the expansion of (2x- y^2)^9
a 1200
b 4032
c 6543
d 1098

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Sketch one cycle if the cosine function y=2cos2theta