HOPE THIIIISSS HELLLPSSSS
Answer: k=11
Step-by-step explanation:
Answer:
Simplifying by collecting like terms
Step-by-step explanation:
Given
See attachment for complete question
Required
The missing step
The missing step is at step 2.
At step 1, we have:

At step 2, we have:

What she did at step 2, is that:
She collected like terms; 1 and 
Then she simplified the like terms: 
<em>Hence (a) is correct</em>
$0.35, use long division and divide 2.10 by 6, carry the decimal up and divide.