What is the mean of the data set?
{12, 14, 16, 14, 13, 18, 20, 16, 14, 23}

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4

Jon’s weight loss for each week of the month is 5 lbs., 2.5 lbs., and 2.5 lbs. he gained 3.5 lbs. the last week. if jon originally weighed 198 lbs., how much does he weigh now?

True or false: dilations map angles of the same degrees