2. 16 is what percent of 40? 3. 14 is 20%of what number? 4. what percent of 48 is 30? 5. 49 is 200%of what number? 6. 38%of what number is 85? show your work

A50% increase followed by 33 1/2% decrease

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Is the point (0, 8) on the x-axis or y-axis? how do you know?