Assuming you meant the x2 as x squared, then:
(11x+4)(11x-4)
Answer:
5 batteries.
Explanation:
"How many batteries lasted more than 5 1/2 hours?" which means it's counting not only 5 1/2, but 5 3/4 and 6 1/4
That should be right, because the absolute value of -9 would be 9, but the negative sign in front makes it -9.
Answer:
9x
Step-by-step explanation:
Since it's not an exponent, it's pretty easy to get the hang of.
(3x)3 is the same as multiplying 3x by 3.
Ignore the x.
3*3=9
now remember the x
9x
I mile = 60 / 3 = 20 minutes. Answer: The school is 1 mile from Emma's house. Lennox Obuong Algebra Tutor Nairobi, Kenya ...
