Arepresents the idea of "if and only if." its symbol is a double arrow, left right arrow↔.

A bi-conditional statement represents the idea of "if and only if." Its symbol is a .

Step-by-step explanation:

We have been given an incomplete sentence. We are supposed to fill in the given blank.

A _______ represents the idea of "if and only if." Its symbol is a .

We know that "if and only if" stands for bi-conditional statement, which represents either both statements are true or both are false.

The symbol represent a bi-conditional statement.

Therefore, our complete statement would be: A bi-conditional statement represents the idea of "if and only if." Its symbol is a .

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type