The graph shows a system of inequalities.
1 answer:
The number of tickets sold on Friday were 66 children tickets and 97 adult tickets.
<h3>What is an equation?</h3>An equation is an expression that shows the relationship between two or more numbers and variables.
The equation of the parabola passing through <em>(0, 0), (-3, 9) and (3, 9) </em>is y = x²
The equation of the parabola with vertex at (4, 22) passing through (0, 6), (8, 6) and (3, 9) is y < -x² + 8x + 6
The solution to the system of equation is the darker region and it contains the point (-1, 6)
Find out more on equation at: brainly.com/question/2972832
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Answer:
20 or D.
Step-by-step explanation:
You simply plug in the values given for a and b:
So, your answer is 20.