Answer:
B
Step-by-step explanation:
3x2-3x5i-7ix2x7ix(-5i)
6-15i-14i+35i^2
6-15i-14i+35x(-1)
6-15i-14i-35
Answer: 1962.4 cubic mm
Step-by-step explanation:
The volume of the larger cone is 
The volume of the smaller cone is
.
So, the volume is 
Answer:48 16 = ?
27 9 = 9
60 20 - 10
Step-by-step explanation:
60 because 2:4 is 1/2, and when you divide by a fraction, you multiply by the reciprocal (2/1 instead of 1/2) which would be 60 in this case.
Answer:
B.Between 2 and 3
Step-by-step explanation:
60÷40
=3/2