How many ways can a president, vice president and treasurer be elected from a group of 50 students?​

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.

Plz ! define the type of sequence below. -2,0,2,4,6 a. both arithmetic and geometric b. arithmetic c. neither arithmetic nor geometric d. geometric