Answer:
C
Step-by-step explanation:
Use πr²
Answer:
No you can't.
Step-by-step explanation:
4 is an integer, and 2x isn't so you can't add them together. If 4 was 4x or 2x was 2, then you'd get 6, but you can't add them. Hope this helps :)
Answer:

Step-by-step explanation:
The inequality includes -53.
The interval notation is 

Answer:
y+a+x=b
Step-by-step explanation:
hope it's work ty make me brainless tyy