There were 300 attendees at a play one night. The next time, there was a 20% attendance. How many people attended at all?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

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.