The slope is 2, because you subtract the points 3,17 from 7,25 to get 8/4/ Simplify that into 2.
20x2 = 40 in width
180-40= 140
140/2=70
70 inches
The correct option is : no mode
<u><em>Explanation</em></u>
The given data set is: 
The <u>mode is the number that is repeated more often</u> than any other number in the data set.
But here we can see that all the numbers in this data set are different. That means <u>they appear only once</u>.
So, there will be 'no mode' in this set.
The cost of zero bags of candy .
You are not going to pay for no bags of candy lol!!
First term(a)=2
D=8
Now
t13=a*12D
=2*12*8=192
Answer= 192