It is always a good idea to initialize variables that will obtain values through calculations to either a__or to zero (0 or 0.00) before using them in programming statements. . pls help me

If g(x) is an odd function, which function must be an even function?

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?