Answer:
4x^3+12x^2+5x+15
Step-by-step explanation:
Factor out.
4 13/16
6 3/7 - 1 3/6 =
270/42 - 63/42 = 207/42 = 4 39/48 = 4 13/16
B
The correct answer is B
13%=0.13
28540*0.13=3710.2