The correct answer to this problem would be -3. Based on the points you've provided on the graph, -3 would be the correct common difference. :)
Since molly's solution tally's with the given solution, hence <em>Molly's solution is correct.</em>
Given the working on a partial product of 93 and 51 carried out by Molly as shown:

This partial product can also be solved as shown below:

Applying the distributive law:

Since molly's solution tally's with the given solution, hence <em>Molly solution is correct.</em>
Learn more about partial product at: brainly.com/question/24716925
Answer:
y=-5x-2
Step-by-step explanation:
y=mx+b
where m is the slope
y=-5x+b
to solve for b, which is the y intercept, plug in (1,-7)
-7=-5(1)+b
-7=-5+b
-2=b
y=-5x-2