A carpenter who is installing cabinets uses thin pieces of material called shims to fill gaps. The carpenter uses for shims to fill a gap that is 1.2 cm wide. Three of the shims are 0.75 cm, 0.125 cm, and 0.09 cm wide. What is the width of the fourth shim? centimeter

Can any one me with the answers to these questions asap?

Twelve less than a number is at most 20

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1