Using the correct number of significant figures?

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

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1