B) is correct
a=-4
b=9t
(a+b)(a-b)=a^2-b^2=16-81t^2
hope it helps.I was reading the same chapter
6/5 would be your answer, but if you want it in simplest form it would be 1 1/5.
I think this is correct.........
Step-by-step explanation:
mahirap yan kapatid, paturo ka ky jose rizal
0.5 hope it helps you good luck
