Answer:
<h2>(-1, 17)</h2>
Step-by-step explanation:
The vertex form of a quadratic equation:

<em>(h, k)</em> - vertex

<em>use (a + b)² = a² + 2ab + b² </em><em>(*)</em>


<em>h = -1, k = 17</em>
There are one number is X, and another number is -9/10and sum is 2/3.
Answer:
-27,0
Step-by-step explanation:
Hi <span>Mrsdiaz1jd1977owwfvt!
OK so 2,000 boards per hour in 10 hours is 2,000*10=20,000 boards in 10 hours. So it can produce 16,500 boards in less than a day.
I may be wrong but I hope this helps!</span>
Well, Sally counts as 1 person, and if 4 others come, 4 + 1 is 5. So 5 people come to her party.
I hope this helps you!