Answer:
Slope of the line = 2
Step-by-step explanation:
Slope of a line through two points lying on the line
and
is given by,
Slope = 
From the figure attached,
Given line is passing through two points (0, 1) and (1, 3).
Therefore, slope of the line will be,
Slope = 
= 2
The answer to your question is a,c,d
Is there some other part of this ?
4x+4(3)+4(2)=y
4x+20=y
X equals the amount it cost for each ticket which is unknown. Y equals the total cost. Because the amount of the food is provided, it can be calculated unlike the tickets which is just left at 4x. The work for the snacks are upwards. Its mostly substitution.
12.
7, 14, 14pi, 7^2pi
13.
13, 26, 26pi, 13^2pi
14.
9, 18, 18pi, 9^2pi
15.
10, 20, 20pi, 10^2pi