Answer: 
Step-by-step explanation:
Given
Quadratic equation is

Solving by completing the square method

The solution set of the equation is 
Answer:
odd numbers
Step-by-step explanation:
4 - 7 is 3, 7 - 12 is 5, 12 - 19 is 7, 19 to 28 is 9
So just keep counting
Answer:
3
Step-by-step explanation:
the answer will be 3
Do 6÷0.15 and you get 40. Please give Brainliest I am so close to the next level.