Answer:
1 hour
Step-by-step explanation:
no explanation its common sense lol
Final Answer: 
Steps/Equations:
Question: 
Step 1: Move the negative sign to the left side.

Step 2: Multiply both sides by
.

Step 3: Simplify
to
.

Step 4: Multiply both sides by
.

~I hope I helped :)~
Answer:
V≈434.89
Step-by-step explanation:
V=4/3πr^3
plug the numbers in and you get 434.89
I may be wrong but
23. X= 57.5
25. X= 16
26. X = 3
y = -2
27 = 2x + 11y = 16
Like I said I may be wrong