I'm not exactly sure what you're asking but <em />I'll give it a go.
A = x -6
There would be about a 14.3% chance of being able to see it
30 minutes / 210
.1428 =
14.3%
A quadratic equation is an equation whose leading coefficient is of the second degree. The factored form of the quadratic equation x²-x-2 is (x+1)(x-2).
<h3>What is a quadratic equation?</h3>
A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers.
It is written in the form of ax²+bx+c.
The factored form of the quadratic equation can be done in the following manner,

Thus, the factored form of the quadratic equation x²-x-2 is (x+1)(x-2).
Learn more about Quadratic Equations:
brainly.com/question/2263981
<span>To determine the value of c, we can use cross multiplication of the given ratios composing the proportion. 13 times 3 is equal to 39. Then, divide the obtained answer by 6 giving us the final answer which is equal to 6.5.
Hence, the answer to this item is 6.5</span>