The table shows ticket prices at the Movie 16 theater. Let A represent the number of adult tickets, c the number of children's tickets, and s the number of senior citizen tickets.
Price: Adults 8.75, Children 6.50, Seniors 6.50.
Q: The Andrews family bought 2 adult tickets, 3 childrens tickets, and 1 senior ticket. Evaluate your expression in A to find the totally cost of the tickets.

8.75x2+6.50x4=a

Step-by-step explanation:

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when a figure, such as triangle (xyz) is reflected over the line y = x to create x'y'z' the x-coordinates and y-coordinates of the original image (pre-image) will be reversed for the image. (e.g., (x, y) > (y, x)) this means that the pre-image position of the x- and y-coordinates switch places which in turn provides a mirror like image of the original xyz.  

i notice that when i draw a line segment from x to x', that the points are parallel from each other -- they are exactly across from each other and do not intersect with any other points.  

yes, think i would see the same characteristic if you drew the line segment connecting y with the reflecting line and then y' with the reflecting line because of the essence of reflections. because it is a mirror image, each point was effected the same way which leads me to conclude that they same would apply to y and y'.

you can't solve x because it is 2 linear equation and you only have one equation