Answer:
Step 2:
For Completing the square,

Add half coefficient of x square on both the side we get

Step-by-step explanation:
Solve:


Solution:
Step 1:
Dividing both the side by two we get

Step 2:
For Completing the square,

Add half coefficient of x square on both the side we get

Step 3:
We know 

Answer:
11.4
Step-by-step explanation:
The answer is A, “Obtuse triangle.”
Answer:
Playing a would be 50-7.50 which is 47.50 and take that and add that to 16 which is 137.50
Step-by-step explanation:
Hope this helps :D
Answer:
105
Step-by-step explanation:
180-75=105