Question is attached!!

Dilations map circles to circles and ellipses to ellipses with the same. true or false

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%