Answer:
Option D. 
Step-by-step explanation:
we know that
The Centroid of a Triangle is the center of the triangle that can be calculated as the point of intersection of all the three medians of a triangle. The centroid divides each median in a ratio of 
In this problem the point R represent the centroid of triangle JKL
therefore

substitute the value

Hi! actually, the y intercept is 0, 8. hopefully this helps
The options are;
<span>a)4x+12
b)8x+24
c)2x^4+24
d)4x^2+24x+35
</span>
dimensions of the photograph
length - 7 inch
width - 5 inch
dimensions of the photo frame is 2x larger than both width and length
length - 7 + 2x
width - 5 + 2x
the perimeter is sum of all 4 sides
Perimeter = 2(7 + 2x) + 2(5 + 2x)
= 14 + 4x + 10 +4x
= 24 + 8x
correct answer is b