Answer:
(х-4)(х-6)
Step-by-step explanation:
х¹= 4
х²=6
easy
Which one do you need assistance with?
Answer:

Step-by-step explanation:

I hope I helped you^_^
Answer:
768
Step-by-step explanation:
4 books make 1 foot since there are 12 inches in a foot so 4 * 5 is 20
There are 20 books in the stack