Answer:
C
Step-by-step explanation:
subtract and then divide
Answer:
1 1/2
Step-by-step explanation:
4/5. 1/4.
16/20. 5/20 21/20
Answer:
20 (When rounded)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given

Required
Get equivalent expression using completing the square
<em>Follow these steps:</em>
- <em>Take the coefficient of y; That is -12</em>
- <em>Divide it by 2; That is (-12/2)</em>
- <em>Square it: (-12/2)^2</em>
<em />
Add to both sides of the equation




Expand the right-hand side

Factorize:


