Answer:
Standard form: 2x²-5x+12=0
a=2 b=-5 c=12
Step-by-step explanation:
2(x+3)²-5x=6
2(x²+9)-5x-6=0
2x²+18-5x-6=0
2x²-5x+18-6=0
2x²-5x+12=0
11/3 divided by 2/3 = 5.5 or 11/2
$192
2400 / 48 = 50
50 * $3.84 = $192
D. 1,900 cm3 is the answer