Answer:

Step-by-step explanation:
Given
Base:




Required
Determine the volume (in litres)
First, we need to calculate the area;
Base on the parameters given, we have:









So:


3 to the 4th power is 81, 3 times itself 4 times.
Hope this helps, if not, comment below please!!!!
Answer:
She didn't change the direction of the sign
Step-by-step explanation:
When dividing both sides by a negative number in an inequality, you must change the sign.
Answer:
I think the answer is y = 21