Answer:
Step-by-step explanation:
<em>1).</em>
(a). Yes, the graph is linear.
(b). Rate of change is a slope m, m = (60 - 80) / (10 - 0) = - 2
<em>2).</em> Graph is not proportional, because y-intercept is (0, 80) and not (0, 0)
Answer:

Step-by-step explanation:

<u>Add 2 to both sides:</u>


<u>Divide both sides by -1:</u>


<u>Add 2 to both sides:</u>


<u>Divide both sides by -5:</u>


___________________________
<u>OAmalOHopeO</u>
The indicated variable for a+3/b=c is a+3/b - c=0. That is the answer i am pretty sure.
Answer:
2(3x + 5) = 6x + 10
⇔ 6x + 10 = 6x + 10
=> infinite solution
Step-by-step explanation:
Answer:
Step-by-step explanation:
39.19