In the graph above, the coordinates of the vertices of quadrilateral qprs are q(2, 4), p(4, 4), r(3, 1), and s(1, 1). if quadrilateral qprs is reflected across the x-axis to create quadrilateral ghij, find the coordinates of point j.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same

Can someone me with these questions? ?