Answer:
a) never true
Step-by-step explanation:
a radius is always half of a diameter
Coefficient: 20 or 5
Variable: c or w
Constant: 95.50
Pt B: 20(5) + 5(20) + 95.50
100 + 100 + 95.50
295.50
Pt C:The coefficient of c would change to 10
430,500/ 750,000 = 0.574
0.574 x 100 = 57.4 %