The area is 7.07
A=1/4(pi)d^2
18 ÷ 3 = 6
21 ÷ 3 = 7
Answer: 6/7
ANSWER : x>-2
Subtract one from both sides
-3x < 6
Divide both sides by negative 3
-3x/3 < 6/-3
Then you get the answer x>-2
This statement means that the diver is going 30 meters under sea level. It is negative because sea level is 0, and anything below 0 is a negative.