Given the equation, (x − h)2 + (y − k)2 = r2, what are the coordinates of the center?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i