suppose i am using t-distriubution to estimate or test the mean of a sample from a single population. if the sample size is 25, then the degrees of freedom

Solve for x i'll try to attach the files bc it's not letting me for some reason

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?