18. write an equation for the nth term of the sequence
12, 5, -2, -

What is the question

If two sides of a triangle are congruent, then the angles opposite those sides are congruent. the converse of the base angles theorem, states that if two angles of a triangle are congruent, then sides opposite those angles are congruent.

3you can not round up to four, as there was not a full payment for the fourth night, so uou would round down to 3