What is the scale factor of this dilation?

Triangle A B C. Side A B is 6, B C is 10, C A is 6. Triangle A prime B prime C prime. Side A prime B prime is 9, side B prime C prime is 15, side C prime A prime is 9.
Two-thirds
1 and one-half
3
5

Does anyone know this? the andwer choices are: 79, 85, 101, and 135 degrees!

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?