B not quiet sure but if anything try again : )
Minus 12x both sides
0=5x^2-12x+9
use quadratic formula
for 0=ax^2+bx+c
x=
given
5x^2-12x+9
a=5
b=-12
c=9
remember: i=√-1
Answer:
Meters:4.8x10 to the 6th power
Millimeters:4.8x 9th power.
Be doin Pearson MathXL
I did 1 today.
12 cards : $0.25
8 cards : $0.15
