15409 would be fifteen thousand four hundred and nine, 100203 would be one hundred thousand two hundred and three
69..............should of listened in class
I think is 12 1/7 I'm not sure it's correct but I think it is
Answer:

Step-by-step explanation:

we have to move 5 in the other side with a different sign, to get a 2 grade ecuation

now we know
a=2
b=9
c=-5
we have to find delta

and now we have to use the formula to find the root square


