The line through A and B is AB. The length of segment AB is AB. The ray starting at A and passing through B is AB. These descriptions are of __

a. undefined terms
b. defined terms
c. postulates
d. theorems

12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?