Answer: 13
Step-by-step explanation:
If you remember the quadratic equation formula;

You can easily extract what is under the root to find the discriminant.

a = 3
b = 7
c = 3

Answer:
42
Step-by-step explanation:
so you do 7 times 6 and you should get 42
Answer:
He was on an airplane.
Step-by-step explanation:
Hope I helped!
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(16 - Sqrt(11))/(-2)
= -8 +Sqrt(11)/2
Answer:
D is the right one im 100% sure on it
Step-by-step explanation: