Answer:±2 and±9
Step-by-step explanation:
±√(4) = ±2
±√(81) = ±9
That's really hard homework I really have never seen anything like that but I'll ask my sister.
Answer:
B or C (they're the same?)
Step-by-step explanation:
y - 25= 1981
y = 1981 + 25
y = 2006