Point slope formula:

We know that:
m=-13
y1=7
x1=5
Plug those into the equation to get a final answer of:
Answer: the shaded region = 69.66mm^2
Explanation:
Assume shaded region is X
Then :
X + Area of circle = area of square
X = area of square - area of circle
Find area of square:
Side length = 18mm
Area = 18 x 18 = 324
Find area of circle:
Side length of a square = the diameter of the circle = 18mm
And r(radius) = d/2 = 18/2 = 9
Area = pi x 9^2 = 254.34
Now find X
X = 324 - 254.34 = 69.66
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QUESTION 6


The greatest common factor is the product of the least powers of the common factors;


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Mean is adding all the numbers then dividing the answer you go from the numbers.