Which statement is correct?​

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

I’m confused on how to work the pie charts

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs