Which inequality best models the situation if variable p is the length of a piece of wood in feet?

the pieces of wood used in a building project must be less than 15 3/4 feet long. show the possible lengths.

a.
p < 15 3/4
and
p may be a negative number.

b.
p> 15 3/4
and
p must be a positive number.

c.
p< 15 3/4
and
p must be a positive number.

d.
p> 15 3/4
and
p may be a negative number.