If the endpoints of line segment mn have coordinates of m(2,7) and m (-3, 1),the the length of line segment mn is closest to

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Percent increase and decrease. original number: 45 new number: 18

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.