
Answer is

When it's powered numbers, remember to choose the one with the largest power. For example,

And

Choose 10, same goes to y, where you choose 7 not 4 since 7 is larger.
Hope this helps. - M
No actually you can just multiply both sides of the equation by 2 and get y-4=20. then add 4 to both sides to get y=24.
Answer:
b and E and c
Step-by-step explanation:
- A is false because some elements have the same image like 2.3 and 2.2 , 2.5 ...
- B is true because the image of an integer remains the same using the greatest integer function. So C is true
- E is true
Answer: 1 / 2
Step-by-step explanation:
I've attached the answer.