Answer:
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Step-by-step explanation:
Answer:

Step-by-step explanation:
To find your slope using two points, use the slope formula.

Your y1 term is -5, your y2 term is 4.
Your x1 term is -2, your x2 term is 4.

Now that we have your slope, you can use the slope and one of your points in point-slope form to find your y-intercept.

We have a system of equations here:
Let 'a' = adult tickets and 'c' = children's tickets
5.80c + 9.00a = 1056.20
We also know that the total number of tickets (adults and children) was 149:
a + c = 149
We need only solve the system.