We know that
<span>the formula used to calculate the standard deviations of sample data is
</span><span>is the one shown in the attached figure
</span>
therefore
the answer is the first option
The area of the inscribed triangle = 3(6^2 x sin 120°) = 3(36sin 120°) = 3(31.18) = 93.53 square in.
QUICK ANSWER
A quadrilateral with exactly one pair of opposite parallel sides is called a trapezoid. As with all quadrilaterals, the sum of the interior angles of a trapezoid is always equal to 360 degrees
ANSWER
The resulting parabola in vertex form is:

EXPLANATION
The original equation of the parabola is given as

This parabola has its vertex at the origin.
If the graph of this parabola is shifted four units right and three units down, then the new equation is:

This the equation of the transformed parabola.
Its vertex is now at (4,-3).
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