use the Pythagoras theorem method
a squared plus b squared equals c square
Answer:
$ 8.45
Step-by-step explanation:
3.85 * 3 = 11.55
20 - 11.55 = 8.45
<span>7 - 3/z = 0 then it equals: 7 = 3z => z= 3/7</span>
Answer:
x = 8.5
Step-by-step explanation:


Rounded x = 8.5
Hope this helps