PLEASE HELP ME WITH GEOMETRY. I need help with this problem but I don't just want the answer, I want to know how to do it. Thank you.

Pythagorean theorm

Step-by-step explanation:

A^2+B^2=C^2

c is the long line, a and b are the outside lines

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.