The amounts below show the change measured in feet in water level over four months 2/5 -4/5 9/5 1/5

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Do,h = (7, 9) (14, 18) the scale factor is

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.