Ineed !

what phrase makes the following statement a biconditional?

"a polygon is a triangle if and only if the polygon has three sides."

a. a polygon is a triangle
b. the polygon has three sides
c. if and only if
d. the statement is not a biconditional.

The answer is C

Every Biconditional Statement has 'If and only if' in it

Hope this helps :)

according to this law, when unemployment goes up by 1%, gdp drops by 2%. in the question, unemployment rate goes from 2% to 5%, meaning unemployment goes up by 3%, so the gdp drops by 6%. thus the effect is a drop in gdp by 6%.

step-by-step explanation: