92°. The angles in a triangle always add up to 180°.
A helpful way to remember what the interior angles add up to in any polygon is with this formula:
180 (n - 2), where n is the number of sides.
For example, with a triangle: 180 (3 - 2) = 180 (1) = 180. The interior angles in a triangle all add up to 180.
With a rectangle/quadrilateral: 180 (4 - 2) = 180 (2) = 360.
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Answer:
15
Step-by-step explanation:
For 1 house, the charge just to go to a house is $12.
In each house you made $57.
$57 - $12 = $45
The charge per house just for raking was $45.
You charge $9/hour.
$45/($9/hr) = 5 hours
You shoveled 5 hours in each house.
3 * 5 hours = 15 hours
Answer: 15 hours
Answer:
1/4
Step-by-step explanation:
the equation for slope is (y2 - y1) / (x2 - x1)
so the equation is (4-8)/(3-19)
= -4/-16
= 4/16
= 1/4, therefore, the slope is 1/4 or 0.25 as a decimal
A pound is a unit of weight, not volume.
Good luck!
The answer to your question is 'The Changs paid the correct amount for their purchases'. I apologize for being late, but this answer may help others later.