A. 18.60, because you multiply 18.6 by .05 to get .93, and then subtract .93 from 18.6 to get 17.67.
That is:
Forty-five thousand, five hundred seventy-two.
~Deceptiøn
Just take it in co-ordinate pairs
Take two points
Slope:-




Equation of line in point slope form




- Convert to slope intercept form y=mx+b

Graph attached
Here given that r= 0.8
Area of circular glass = area of circle = pi r^2
= 3.14 ( 0.8)^2 = 2.009 square meter
cost of one square meter = 4.60
cost of 2.009 square meter = 4.60 * 2.009 = 9.244
Answer $ 9.244 .