A.) Mark is correct as every increase in x of 2 equals a y increase of 4
The point (1, 20) means that the total money spent for purchasing one ticket is $20.
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Linear equation</h3>
Linear equation is in the form:
y = mx + b
where y, x are variables, m is the slope of the line and b is the y intercept.
Let y represent the total money spent for buying x number of tickets.
The point (1, 20) means that the total money spent for purchasing one ticket is $20.
Find out more on linear equation at: brainly.com/question/14323743
Answer: 138°
Step-by-step explanation: since the line is crossing parallel lines the number opposite of your x is the same as 138°
1. 17
2. 34
3. 62
5. 82
6. 10
7. 18
8. 19
9. 91