Simplify the following expression: 8x − 8y + 5z − 3x − 14y + 3z a. 11x − 22y + 8z b. 5x − 6y + 8z c. 5x − 22y + 8z d. 11x − 6y + 8z

Can you me find the missing length. i attached an image.

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?

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.