I may think is 18. Hope this helps.
Answer:
c.
Step-by-step explanation:
Answer:
x ≥−42
Step-by-step explanation:
x/7 ≥−6
Multiply each side by 7
x/7 * ≥−6*7
x ≥−42
Answer:
In geometry, the circumference is the perimeter of a circle or ellipse. That is, the circumference would be the arc length of the circle, as if it were opened up and straightened out to a line segment. More generally, the perimeter is the curve length around any closed figure.
formula of circumference: C=2πr
What creates an imaginary solution is when you take the square root of a negative number. When you take a square root you get two solutions, a positive and a negative.
If I'm taking the square root of -4 the solutions would be +2i and -2i