A patient goes to the orthodontist because his teeth are 7 millimeters off the center line to the left. After 4 months of treatment, his teeth have moved 3 millimeters to the right. What is the percent of change that has occurred in the 4 months?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Which rule describes the composition of transformations that maps △abc to △a”b”c

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?