The length of overline CD is 12 units. C^ prime D^ prime is the image of overline CD under a dilation with a scale factor of n. Which of these are true? Choose all that are correct.

A, D , and E

Step-by-step explanation:

We have that:

is the image of CD after a dilation of scale factor n.

We use the relation between the image length and object length:

Option A

If n=3/2, then

This is true.

Option B

If n=4, then

This is false.

Option C

If n=8, then

This too is false.

Option D

If n=2, then

This is true

Option E

If n=3/4, then

This is also true.

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.