Janice tells Marie that she will buy Marie a new dress if she reads a book by Friday night. Marie begins reading and has only two chapters left to finish when Janice tells Marie that she has changed her mind and will not buy the dress. Under the modern approach to contracts, Janice and Marie:. a. formed a unilateral contract.
b. formed a bilateral contract.
c. have no contract until Marie finishes reading.
d. have not formed a contract, and Janice owes Marie nothing.

a. formed a unilateral contract.

Explanation:

anice tells Marie that she will buy Marie a new dress if she reads a book by Friday night. Marie begins reading and has only two chapters left to finish when Janice tells Marie that she has changed her mind and will not buy the dress. Under the modern approach to contracts, Janice and Marie formed a unilateral contract the moment Marie started reading.

A unilateral contract is a contract that requires an offeree to performs the requirement of the contract for it to be created and binding, it is a contract whereby the offeror states the conditions of the contract or a promise of a future performance provided the offeree performs his/her part of the contract.  

true

explanation:

agreeableness is a personality trait manifesting itself in individual behavioral characteristics that are perceived as kind, sympathetic, cooperative, warm, and considerate.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.