One trillion four hundred billion
Answer:
Step-by-step explanation:
(5y+4+3x)(5y+4-3x) = (5y+4)² - (3x)²......(from the difference of 2 squares )
by identity : (a+b)(a-b) = a² - b²
in this exercice ; a = 5y+4 and b = 3x
Answer:
The proportion is 2/7 = 12/42
x = 12
The answer is 12
The answer is 2.
it’s adding 2 everytime!
<span>NCn is always equal to 1. </span>