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
Answer: Rhumbus
If you draw the points on a graph, you can see that it's a rhumbus
18
The two smaller sides are 15 and the larger one is 18
16.896
