Angles in a triangle must add up to 180, so the missing angle inside the triangle is 180 - (70 + 40), which is 70.
Angles on a straight line (i.e. the line BD) must add up to 180, and because we know part of that angle is 70, x must be 180 - 70, which is 110.
Hence, x is 110 degrees.
Answer:
Mean = 70,000 dollars
SD = 800 dollars
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The yellow polygon is the scaled version of the red one (scaled by 3×), so the variable w = 9
Answer:30 oz of flour
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