Answer:

Step-by-step explanation:
Given equation :

Standard equation of circle :

We will consider the x terms in the equation first to find a.

-2ax = 20x
a = -20x/2x = -10
a = -10
Next consider the y terms to find b.

-2by = 12y
b = -12y /2y = -6
b = -6


But the given equation constant is 15. So find the difference between 136 and 15 to find the radius : 136 - 15 = 121
Therefore, radius = √121 = 11
<em><u>Equation in standard form : </u></em>

In each row, the 15 number of the student is arranged. For the given condition, the equal number of the student is to be arranged.
<h3>What is seating arrangement?</h3>
A seating arrangement is an arrangement shows that how the peoples are arranged so that the complete utilization is done.
The given data in the problem is;
The total no of student is 345 students
If the same number of the students are to be arranged for the given row, the following calculation is done;
The numbers of the student in each row is found as;

Hence, in each row, the 15 no of the student is arranged.
To learn more about the seating arrangement, refer to the link;
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Answer:
isn't it 2x?
Step-by-step explanation:

↝ x-intercept

↝ y-intercept
y = -5
↝
means that the shade/area is below the graph as shown in the first picture.

↝ x-intercept

↝ y-intercept
y = -3
↝ Since it's "≤" therefore. The shade/area is below the graph. For second picture.
First picture is first inequality
Second picture is second inequality.
Well you can divide by 8 and it gives you 3/2or you can divide by 4 and get 6/4 then divide by 2 and get 3/2 either way there both correct