I would say 7 because if you divide 28\4 you get 7 and if you add 7 four times you get 28 for WY+XZ=28
Answer:

Step-by-step explanation:

When you multiply like terms, you add their powers. When dividing like terms, you subtract their powers (subtract the power in the denominator from the one in the numerator).

what question are you wanting to be answered?
If the gradient is the same but there are different y intersects, the straight lines will never cross but they will be parallel.
the answer is they will never cross
<h2>
8, 12, 16,...</h2><h2>
Find the 31st term.</h2><h3>352</h3>
<em>Hope I helped. :)</em>
<em />
<em>- Valenteer</em>