PB = 12 (P=1, B=2) Numerical values are assigned to each letter and each letter takes on a single number.
D = 2r => 12.6 = 2*r => r=6.3
A = π*r^2 = (3.14) * (6.3)^2 = (3.14)*(39.69) = 124.6266 which is approximately 124.63
Hope this helps!
6000*0.0575=345
Final answer: $345.00
This is the equations of a parabola
y = 3x^2 - 4x - 1 graphed is a parabolic arc