A^2 - b^2 = (a+b)(a-b)
answer :
t^2 - 1
n^2 - 225
Answer:
ILOVEMYCOUNTRY!!!
Step-by-step explanation:
F........U.......C.......K.....YOU.....BRO.......USE UR BRAINS !!!!
If you only want to know what it means ¨c¨ then it is the Denominator, cause you are referring a fraction.
a(n) = 6n - 7
a(12) = 6(12) - 7
a(12) = 72 - 7
a(12) = 65
The answer is B.
-15 is already rational itself, but it as a fraction:
-15/1
