Answer:
xy^(2)z^(6)
Step-by-step explanation:
i hope that helps you :)
use Pythagoras theorem
20 units
Let the number to find be x
7 - 9x = 52
-9x = 52-7
- 9x = -45
Divide by - 9
x = 5
The number is 5
Hope this helps.
