Answer:
300 dollars
Step-by-step explanation:
60% of 500
(60/100) * 500 = 300
A
49y² - x² ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
49y² - x²
= (7y)² - x²
= (7y - x )(7y + x) → A
Solution:
Given:
when x = 4,
The answer is 9.
