Answer:
<em>An expression obtained from the square of the binomial equation is a perfect square trinomial. If a trinomial is in the form </em>
<em>
</em>
<em> is said to be a perfect square, if and only if it satisfies the condition b 2 = 4ac.</em>
Step-by-step explanation:
<em>hope it will help you have a great day bye and Mark brainlist if the answer is correct </em>
<em>
</em>
Answer:


<u>let's simplify the parenthesis first ~</u>

<u>now , bring the like terms at one side of the equation !</u>


<u>dividing</u><u> both sides of the equation by 30 ,</u>


hope helpful :)
Answer:
B
Step-by-step explanation:
Variance can be said to be a measure of dispersion for a random sample.
Variance = pq/n
When given the variance, we can find the standard deviation.
Standard deviation = √variance
= √pq/n
What is it? You didn’t post anything?