Your answer would be 18 because 1 1/2 x 4 =6. So 6 =12 is 18
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28.23 is the volume of something if the diameter is 2 cm and the height is 9 cm.
Answer:

Step-by-step explanation:
Given:


The attachment completes the question
From the attachment, the slope of the line was calculated as:

This step is inaccurate because the slope of a line is calculated using

Which gives



The line equation is then calculated using:

Substitute values for m, x1 and y1


Open bracket

Make y the subject

Supplementary = 180°
Complementary = 90°
180° - 52° = 128°
90° - 52° = 38°
Hope this Helps!!
Electronegativity<span> is a measure of the tendency of an atom to attract a bonding pair of electrons. The Pauling scale is the most commonly used. Fluorine (the most</span>electronegative<span> element) is assigned a value of 4.0, and values range down to caesium and francium which are the least </span>electronegative<span> at 0.7.</span>