please refer to this image
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Answer:

.
Step-by-step explanation:
Use the form below

Where
is a slope
and
are the point of the line
.
So, the slope is


.





.
Happy to help:)
Answer:
39.27
Step-by-step explanation:
Calculate whole area of circle - pi5^2 = 78.54
Divide answer by 2 as only half of the circle is shaded - 78.54/2 = 39.27
Since 20 is a factor of 40, the least common denominator of 3/20 and 9/40 is 40.
The answer would be 8. hope this helps