Answer:
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Step-by-step explanation:
Required
Show that:

To make the proof easier, I've added a screenshot of the triangle.
We make use of alternate angles to complete the proof.
In the attached triangle, the two angles beside
are alternate to
and 
i.e.


Using angle on a straight line theorem, we have:

Substitute values for (1) and (2)

Rewrite as:
<em></em>
<em> -- proved</em>
630 red marbles
420 yellow marbles
210 purple marbles
because 1260 x 1/2 = 630, 1260 x 1/3 = 420, 1260 x 1/6 = 210
Answer:
si yo te ayudo pero no puedo ver bien la foto
Independent- a variable (often denoted by x<span> ) whose variation does not depend on that of another.
</span>Dependent- <span>a variable (often denoted by </span>y<span> ) whose value depends on that of another.</span>
Independent- <u>c</u> (number of chores)
Dependent- <u>d</u> (number of dollars)