Decide whether the relation is a function

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?

Some of the images in the diagram are images of polygon 1. from similarity transformations, polygon 1 16 14 polygon 4 polygona polygons 4 6 8 10 12 14 16 18 20 22 24 26 polygon and polygon are similar to polygon 1,