Answer and Step-by-step explanation:
Solve for b.
A = 
Divide by h and multiply by 2 from both sides.

Subtract a from both sides.

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Answer:
the answer is 84 degrees
Step-by-step explanation: add 15 degrees to 69 degrees
Given:
The quadratic function is:

To find:
The zeros of the given quadratic function.
Solution:
We have,

Splitting the middle term, we get



For zeros,
.


Therefore, the correct option is (b).
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▹ Answer
<em>-17 isn't a natural number</em>
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▹ Step-by-Step Explanation
Positive integers are only natural numbers, meaning negative numbers aren't natural numbers.
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