Answer:
15=-6c-3d
Step-by-step explanation:
If 15=-3(2c+d)
=15=(-3×2c) - (-3×d)
=15=-6c-3d
Answer:

Step-by-step explanation:
Given




Required
Determine their next meeting time
First, we need to get their unit rate in minutes per round


Convert 360 seconds to minutes



Divide by 2/2

So, we have:



Next, is to determine the LCM of 18, 6 and 2



Their LCM is:


This means that they will meet 18 minutes after their initial time of departure.
So:


The common difference, d, is 5 and the starting value, a, is 2.
Filling this in the form of

<span>you get
</span>
Answer:
Yes
Step-by-step explanation:
y=x+6 is the slope. (1,7) is 2 right and 2 up from (3,9)