Is this question a statistical question? how many of the cards are baseball cards? is that a statistical question?

yes

Step-by-step explanation:

A statistical question is for more than one person to answer. For example, “How many books did each student read last month“, that’s statistical. “How many days are in a week is not statistical.

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.

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry