There are 10 balls numbered 1-10 in a paper bag.  Amanda picks out a ball without looking and puts it back.  If she does this 3 times, what is the probability that she will pick the number 4 each time?

Sketch one cycle if the cosine function y=2cos2theta

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

What is the volume of a rectangular crate that has dimensions 9 inches by 9 inches by 1 feet? 1,458 in.3 121.5 in.3 1,012.5 in.3 36 in.3