2. one day in a sporting goods store, 34 people came in and made a purchase and 14 people came in but didn't buy anything. what's an unsimplified ratio, as a fraction, of the number of people who made a purchase and the number of people who came into the store? a. 14⁄34 b. 48⁄34 c. 34⁄48 d. 17⁄24

The answer would be choice answer c that the right answer

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The correct option is: Option (B) Trevor isn't correct because -2i must also be a root

Explanation:
The roots given are: -7, 2i, +7.

We need to differentiate between the real roots and the imaginary roots.

The real roots are: -7 and +7.
The imaginary root given is: 2i

However, the imaginary roots ALWAYS come in pair like 
Because the imaginary roots come from the square root; In this case, the roots might be in the form of: . The square-root of the negative number yields the imaginary numbers (which can be positive or negative), which in this case is +2i and -2i.

Hence the correct answer is that Trevor isn't correct because -2i must also be a root (Option b).