Answer:
B
Step-by-step explanation:
Formule for volume of cone:
V=πr2h
(Disregard the pi, Multiply the radius and height)
9 × 9 × 12
81 × 12
972
972π sq. units
Answer:
12
Step-by-step explanation:
divide the total by 4, when you get your answer, divide that by 6, what is you remainder?
Answer:
B
Step-by-step explanation:

1) (2i-4)-(6i+9) = 2i-4-6i-9 = -4i-13
2) (-3+8i)+(3-8i) = -3+8i+3-8i = 0+0i = 0
Answer:
Ffchhvcxxdftgggcdds
Step-by-step explanation: