Answer the following questions about pencil drawing: - When were pencils first used?
- What is graphite?
- What is an HB pencil?
- What happens when the H# is increased?

Which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.which statement is true about the function f(x)= –? the domain of the function is all negative real numbers. the range of the function is all positive real numbers. the domain and range of the function have opposite signs. the domain and range of the function are the same.

Sound waves can travel only in the aira. trueb.false

During which century can it be inferred that "the masque of the red death" probably occurred?