Answer:

Step-by-step explanation:

The common denominator of both fractions is 8. Therefore,, divide the denominator of each fraction, then multiply what you get by the numerator of each fraction.
Thus:



Answer:
The first 2 and the last one
Step-by-step explanation:
You need to have an input per output, and to choose one or multiple the need to have a continuous pattern. Ex.+5 ad -2 on both sides every time would be a linear function.
A because two negatives make a positive
Hope this picture helps! ;) Ignore the stuff around it ($12 or the triangle)