What is the value of x in parallelogram qrst?

16
12
8
4

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

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

What is the slope of the line (-7,2) (4,6)