The diagram below shows a light ray from a pencil hitting a mirror.

Which ray shows the correct direction of the reflected ray?

1

2

3

4

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.