Given quadratic equation


Using the usual conventions,
a=1, b=6, c=6
Apply the quadratic formula,

substitute a,b & c with numerical values,

simplify:
Answer:
3/10, 30%
Step-by-step explanation:
the shaded region is 9/30 which is equivilent to 3/10 and 3/10is 30 percent.
hope this helps!
Answer:
I think it's D...maybe
Step-by-step explanation:
Petri dish A has 1080000000000000
Petri dish B has 270000000000
Petri dish a is greater by 1.07973E15
Hope that helped :)