The double implication "if and only if" is graphically represented by an arrow pointing in both direction, so the correct writing is

Answer:
your answer might be 3
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Area of a circle is calculated by squaring the radius then multiplying by pi. Eight squared is sixty-four, then multiplied by pi you get 201.
The simplest answer is 0 if u actrually do the work if u have to sneak a calculator in XD
Answer:
B. 1469.52 cubic units
Step-by-step explanation:
6 squared is 36, 36 x 13 is 46s, 468 x 3.14(pie) is 1469.52