What is the perimeter of quadrilateral ABCD? O 15 units
O 17 units
O 18 units
o 20 units

Give me the equations of two lines that have the same slope but are not parallel.

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.

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?