Answer:
Step-by-step explanation:
x + 2y - x - y - 5x
x - x + 2y - y - 5x
0 + y - 5x
- ( 5x - y ) or y - 5x or y = 5x
option a is correct
and d too and
-4b⁴ one Is wrong and -5x³
7 weeks
cosC =
cosC = = =
i think c