Answer:
Option B
Step-by-step explanation:
As here,
In all the options processes in 3rd step .
<u>As</u><u> </u><u>the</u><u> </u><u>bases</u><u> </u><u>are</u><u> </u><u>same</u><u> </u><u>exponents</u><u> </u><u>get</u><u> </u><u>added</u><u>. </u>
And in Option B 3rd step it has been correctly done form of,

Is correct simplification.
The range of the relation is 35,40,45,60,75
Reason being in relation range is the set of all second elements of ordered pairs (y-coordinates).
Hello Hdolly81
<u><em>The LCM of 156 and 321 is 16692</em></u>
Backup:
156: 2,2,3,13,
321: 3,107
2 * 2 * 3 * 13 * 107 = 16692
:)