It should be A since fish are the omly animals there without lungs...
Answer:
woodwind
Explanation: the instrument is a sixholed flute therefore it would be in the woodwind family along with the flute,clarinet, ect.
Answer:
D. f(x) exist for all real numbers where x ≤ -1 or x ≥ 1
Explanation:
You can't divide by 0 and
You can't have a negative squareroot.
So solve for when x=0 for the denominator,
and when is x<0 for the squareroot.