Answer:
8
Step-by-step explanation:
x^2 - 8 = 7x
x^2 - 7x - 8=0
(x - 8)(x + 1)=0
x - 8= 0 x + 1=0
x=8 x= -1
8 is the positive solution
39 * 39 * 39
59319
It is a cube, all sides are equal distance. If the length is 39 then all the other sides are 39.
subject?
where is the picture of the tables