Answer:
<em>x</em>/4
Step-by-step explanation:
7/8x-5/8x fractional coefficients = x/4
The first figure has 3 angles, the second one has 4 angles, the third one has 5 angles so the next one will have 6 angles.
The violet figures inside stick with each side of the outer figures in the middle, so the last figure will look more less like in the attachment.
The answer is actually 80 degrees, I just took the test.
The sales price before tax was $23.58. Hope this helps!