19,208. The sequence increases by multiples of 7.
10, 20, and 18.
The pattern is x2 -2, so that's how you get those.
X + y = -2
-x -x
y= -2 -x
2x -3y = -9
2x -3(-2 -x) = -9
2x +6 +3x = -9
-6 -6
5x = -15
5x/5 = -15/5
x= -3
y= -2 -x
y= -2 -(-3)
y= -2 +3
y= 1
the answer: (-3,1)
Answer:
DC
Step-by-step explanation:
A radius is a line segment extending from the center of a circle to the circumference.