Answer:
9
Step-by-step explanation:
Each one has a distance of 9. If you multiply 9 by the smallest number, you'll see what I mean. Let me know if this helps! Bya!
43
I do believe the answer is 15 feet
a² - b² = (a + b) (a - b)
1)x² - 36 = x² - 6² = (x + 6)(x-6)
2) 4x² - 16 = 4x² - 4*4 = 4(x² - 4)
= 4(x² -2²)
= 4(x + 4)(x-4)
3) 9x² -1 = 3²x² - 1² = (3x)² - 1²
=(3x + 1)(3x - 1)
