Hi! Can you help me on volume of cylinder??? I don't really understand it. Thanks!!! (BTW, I will give brainliest to correct answer!) And it's on Khan Academy too.

What is the solution to the equation 9^(x+1) =27

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

Can someone me with this problem i don't understand i need