Answer:
y = -x - 4
Step-by-step explanation:
Plug in the point and slope into the equation y = mx + b, and solve for b:
y = mx + b
-6 = -1(2) + b
-6 = -2 + b
-4 = b
Then, plug in b and the slope into y = mx + b
y = -1x - 4
y = -x - 4 is the equation of the line
The radius of circle is r = 6 cm.
The formula for the circumference of circle is,

For exact circumference take pi = 3.14.
Substitute 6 for r in the formula to determine the circumference of circle.

So exact circumference of circle is 37.68 or 12 pi .
Answer:
349866
Step-by-step explanation:
L = a + (n - 1) * d
1671 = 3 + (n - 1) * 4
1668 = (n - 1) * 4
417 = n - 1
n = 418
Sn = n/2 * (a + L)
Sn = 418/2 * (3 + 1671)
Sn = 349866