the answer is C.
12a -18s =36
(12 adult tickets= 12a) - (18 student tickets =18s) =$36
Answer:

Step-by-step explanation:
Apply creative thinking and come up with an equation where the final answer is x=9.
This might give a representation of how to do it algebraically:

Answer:
A, D
Step-by-step explanation:
Sub the x and y values into the equation. The x value is the first number in the coordinate, and the y value is the second number.
If the left side is equal to the right side, it is a solution.
Example:
4x-5y=24
4(-9)-5(-12)=24
-36+60=24
24=24
Remember: if the left side does not equal the right side, it is not a solution.
Answer:
- see attached for a graph
- solution: (x, y) = (-1, 3)
Step-by-step explanation:
The first line has a slope of -3 and a y-intercept of 0. It will go through the origin and the point (-1, 3).
The second line has a slope of 1 and a y-intercept of 4. It will go through the points (0, 4) and (-4, 0).
The solution to the system of equations is the point where the lines cross, (-1, 3).
Answer:
Pythagorean Theorem: A² + B² = C²
You would use it to find a missing side or missing hypotenuse of a right triangle by pluggin in all of the known values of the triangle into the equation and then solving it.
Step-by-step explanation:
C² is the hypotenuse of the triangle (the longest side, and the side that is opposite the right angle).
A² and B² are the remaining two sides.