Combine the following statements p and q by using the words given in the brackets to form compound statements.

(a) p: The total angles of a pie chart is 180. [or]
q: The total angles of a pie chart is 360. [or]

(b) p: 1 is a perfect square. [and]
q: 1 is a perfect cube. [and]

(c) p: 2x + 3 = 1 is a linear equation. [or]
q: 3x + 5 is a linear equation [or]​