Answer:
x = 7cm
Step-by-step explanation:

Answer:
No Solution
Step-by-step explanation:
Since -18 > 18 is not true, this inequality is always false
Answer:
f(3) = 9
Step-by-step explanation:
In the given figure,
when x=3,
f(x)=9
substituting x=3 in f(x),
=> f(3)=9
Answer: 8
Step-by-step explanation:
PEMDAS
The diameter is the radius doubled. So, the radius CK is 2, so the diameter would be 4.