Answer:
4th option
Step-by-step explanation:
-2a^2-a
Answer: 2005
Step-by-step explanation:
2035-30=x
Answer:
4.2
Step-by-step explanation:
Step-by-step explanation:

but it's given = -4
which is incorrect
Again , 8^2 = 64
but it's given = √64
so option C and D are not true