Determine the completely factored form of x^3-64x

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Solve for x where 0 equation: cot^2x+2cotx+1=0

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)