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:
its d
Step-by-step explanation:
the options can be eliminated by using common sense.
8/5 or 1.6 you just need to find the rise over the run
18. 17.9
19. 21.1
20. I cant see the numbers sorry; if the sides are 6, √85 than it should have an angle of 40.6
Multiply 13 by 3
13 * 3 = 39 miles
Hope this helps :)