Answer:
Line passing through
.
Step-by-step explanation:

hence this line passes through
.
When 

Hence this line passes through
.
Graph is attached.
Nanometers are a really small measurement, one billionth of a meter, I believe.
So nanometers is used to describe tiny stuff, like atoms of a water molecule, and waves of light.
Step-by-step explanation:
DE : JK
= 21 : 7
= 1 : 3
<h3>#CMIIW</h3>
It will take 30 more minutes to fill up the pool completely.
2/3 of the pool has been filled in 1 hour. This equates to 60 minutes. This means that in 30 minutes, 1/3 of the pool has been filled. Another 30 minutes and 2/3 of the pool has been filled.
Finally, another 30 minutes will mean that the whole pool is filled.