Answer:
179
Step-by-step explanation:
I believe this is correct, if not feel free to elt me know and I will fix it. I'm sorry in advance if it is incorrect.
Answer:
9.8ft
Step-by-step explanation:
Make bottom number same
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)

=

=
There value for z would be 3-5
If you convert the fractions to ___/20 then you will see. Here; 2/5 = 8/20. 1/4 = 5/20. I hope this helps.