Looking at this barometer, is the air pressure high or low? what type of weather can be predicted? a) high, badb) low, badc) high, goodd) low, good

It really depends on the altitude of the barometer.

-- If the picture was taken in Denver, Colorado, where the long-term
average atmospheric pressure is around 24.5", then this barometer
is showing slightly higher than normal, and good weather can be
predicted.

-- If the picture was taken anywhere along the east coast of the US,
where standard "sea level" pressure is 29.92", then this barometer
is reading alarmingly low !  There's either a hurricane in progress
right now, or one can be predicted to arrive very soon and you'd best
pick up your barometer and head inland as fast as you can.  

The answer is going to be c