Find missing numbers to make equation true. 11= +4

___ -4=5

10+5=6+

9-___=13-10

14-=2+2

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

Use circumcenter theorem to solve for the given values