half note :
value - 2 beats of sound in 4/4 time. vertical line, hollow circle attached to the line (o|)
quarter rest :
value - 1 beat of silence in 4/4 time. looks like a 3, straight line on the top of the 3
whole note :
value - 4 beats in 4/4 time. hollow circle (o)
sixteenth note :
value - 1/4 of a beat in 4/4 time. filled circle, vertical line, 2 lines squiggly as tails attached at top (.|=)
(pls give brainliest !!)