I assume you are asking to solve:
-2x^2 + 3x - 9 = 0
So first, this equation does not have real roots.
It only has 2 complex roots.
The roots are:
3/4 * (1-i√7) and 3/4 * (1+i√7)
The answer is A) the height of students
Answer:
Ten added to the difference of six and four. Or, the difference of six and four added to ten.
Step-by-step explanation:
Answer: 
Step-by-step explanation:
By the Negative exponent rule, we know that:

By the Quotient of powers property, we know that:

And by the Product of powers property, we know that:

Applying this properties, we get:

Answer:
I think Darius I is the correct answer.