Please explain :) 2x + 12 6

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

An octagonal prism has jow many lateral faces?

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.