Answer:
-21k=7(-3k)................………………
N^2(n - 1) + 3(n - 1)
(n^2 + 3)(n - 1)
the answer is c
Answer:
c
Step-by-step explanation:
according to PEMDAS you should always do whats inside the parentheses first, then you'll multiply the parentheses by 5
The 3 is a positive integer and the 7 is a negative integer so you would do "KFC" also known as (Keep, Flip, and Change)
3
("Keep" the 3 positive)
-
("Flip"the minus sign into a plus sign)
-7
("Change" the negative sign into a positive sign)
So therefore, you would have:
3 + 7, which equals 10
Answer:
5280 feet
Step-by-step explanation: Hope this helps!