1.) Let A be the area of a circle and let C be its circumference. If A/C=8, find the radius of the circle 2) Refer to the image. The shaded region above has a perimeter of 8+pi, find the area of the shaded region

i am unable to solve this problem

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

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step-by-step explanation:

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation: