Answer:
The great number he can have in each bag is 6 cookies.
Step-by-step explanation:
This is because the greatest common factor of 12 and 18 is 6.
39 students have a pet because 130 times .30 which represents thirty percent gives you the answer
Answer: Last option.
Step-by-step explanation:
For this exercise you need to find the Discriminant.
The formula used to find the Discriminant, is the following:

In this case, given the Quadratic equation:

You can identify that:

Knowing those values, you must substitute them into the formula and then you must evaluate in order to find the Discriminant.
You get that this is:

By definition, if:
Then the Quadraitc equation has 2 nonreal solutions.
Answer:
I think the second one
Step-by-step explanation:
I haven't learned how to do this.