How do you model -) using integer chips?

Which system of linear inequalities is graphed? can somebody pleasssse

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

What are the soultion(s) to the quadratic equation 40- x^2=0