7/19 is the answer because your replacing the purple marble and it became 7 all u do is add them
<span>189 / 6 = ( 180 + 6 ) / 6 = ( 180 / 6 ) + ( 6 / 6) = 30 + 1 = 31.</span>
Answer:9
Step-by-step explanation:
Use the pythagorean theorem. 
We know both a and c, so it becomes
=
16+b^2=97=
97-16=b^2=
81=b^2=
9=b
Is it a triangle??? Or a square??
<u><em>Answer </em></u>
<u><em>The 3rd number line</em></u>
<u><em>Hope this helps.</em></u>