Find the mean, media, mode, range, and iqr of 13,18,19,17,10,19,18,20,15

If the measure of xyz is 81 what is the measure of yz

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

What would the rule be for the reflection of y=-3