Answer:
10 because 8+1=9 and 9+1=10
Your answer is B. 3/4
x² - 8x + 20
= x²- 2*4*x + 16 + 4
= x²- 2*4*x + 4² + 4
= (x - 4)² + 4
= (x - a)² + a, with a = 4
Hope this helps!
Yes
Step-by-step explanation:
3:1 x 3 = 9:3
3:1 x 5 = 15:5
