A valid offer is one that must only be definite$/$certain and communicated directly to an offeree. $($true or False$)$

Silence by offeree to an offer from an offeror is usually never considered acceptance but would be if both parties agreed beforehand that silence would mean acceptance. $($true or False$)$

A conditional or qualified response to an offer is not considered an acceptance but is

interpreted under contract law as an immediate rejection of the original offer and it

becomes a counteroffer. $($true or False$)$