What is the sum of the first 22 terms of the following series?

86 + 79+ 72 + 65 + 58 +

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

On a architect's drawing of a house, 1 inche representa 1.5

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !