Step-by-step explanation:
given

as equation 1, and

as equation 2.
Now, multiply equation 2 by 2.

now let's this equation be equation 3.
We now use equation 1 + equation 3 to eliminate y and find x.

Now substitute x = 7 into equation 2.

1.) Number of Total People = 1387
In Figure 1, Red boxes represent "<span>Teens" which is 10 in number whereas Blue boxes represent "Adults".
1 box contains = 1387/19 = 73
Number of Teens = 73 * 10 = 730
<span>
In short, Your Final Answer would be: 730 </span></span>
2.) Number of Total Chocolates = 1440
In Figure 2, Red boxes represent "<span>Chocolate flavor ice-cream" which is 6 in number whereas Blue boxes represent "Vanila".
1 box contains = 1440/15 = 96
Number of Chocolate Ice-creams = 96 * 6 = 576
<span>
In short, Your Final Answer would be: 576</span></span>
3.) Number of Total Sodas = 576
In Figure 3, Red boxes represent "<span>diet sodas" which is 5 in number whereas Blue boxes represent "Regular sodas".
1 box contains = 576/12 = 48 sodas
Number of diet cokes = 48 * 5 = 240
<span>I
n short, Your Final Answer would be: 240 Hope this helps!</span></span>
Answer:

Step-by-step explanation:
The focus lies on the x axis and the directrix is a vertical line through x = 2. The parabola, by nature, wraps around the focus, or "forms" its shape about the focus. That means that this is a "sideways" parabola, a "y^2" type instead of an "x^2" type. The standard form for this type is

where h and k are the coordinates of the vertex and p is the distance from the vertex to either the focus or the directrix (that distance is the same; we only need to find one). That means that the vertex has to be equidistant from the focus and the directrix. If the focus is at x = -2 y = 0 and the directrix is at x = 2, midway between them is the origin (0, 0). So h = 0 and k = 0. p is the number of units from the vertex to the focus (or directrix). That means that p=2. We fill in our equation now with the info we have:

Simplify that a bit:

Solving for y^2:
