Can someone help me please . (Maths)

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

What is the angle measure, or angle of depression, between this bird and the bird watcher?

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?