What are x and 8 in thus linear equation?

8/x +5 = 50/25

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?