Answer:
8
Step-by-step explanation:
4+4=8
Answer:
4xy
Step-by-step explanation:
We need to subtract 2xy from 6xy, So that is,
=> 6xy - 2xy
=> 4xy
Answer:

Step-by-step explanation:
According to the Alternate Interior angles theorem, the bottom left angle and the upper right angle have the same measure. Because they were formed from a pair of parallel lines crossed by a transversal one.
So, algebraically:

I don't think you use a fraction. You multiply .6666 by 72 which equals 47.9952 or rounded 48. :)