Answer:
D..the diagonals bisect each other.
Since bisectors divide the diagonals equally in two parts.
Answer:
Hi,
Step-by-step explanation:

The curve is an ellipse having (-1,4) as center and half-axis (2 and 6)
Answer:
multiply the top equation by -5, then add the equations
Step-by-step explanation:
Volume of cylinder = πr²h = π x 4² x 6 = 96π
volume of cone = 1/3πR²H = 1/3π x 8² x 12 = 256π
You can see that volume of cone is more than twice of volume of cylinder. So she is not correct