Answer:
D or A
Step-by-step explanation:
Hope this helps
Answer:
Gain = S.P - C.P
Loss =C.P - S.P
where, S.P equals spelling price
and C.P equals cost price
Step-by-step explanation:
Hope it helps
ANSWER

EXPLANATION
The given expression is

We regroup the numerical parts to get;

Now let us simplify the negative numbers.

We now subtract 19 from 42 to get;

We can't simplify further
Hence the simplest form is:

I would say 35 because if you put in 35 for x you get 39.891
It means that the two vectors are perpendicular or orthogonal