The data list shows the scores of ten students in mr. smith's math class.
61, 67, 81, 83, 87, 88, 89, 90, 98, 100
what is the standard deviation, to the nearest tenth, of the data if the scores represent a sample of mr. smith's students?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x

If np3 /nc2 = 6, find the value of n