It rotates 180 degrees because its like 90 +90+180
180+90=270
Answer:
A
Step-by-step explanation:
because it is probability
Answer:
k
Step-by-step explanation:
We have

and

so the equation is indeed exact. So we want to find a function
such that


Integrating both sides of the first equation wrt
gives

Differentiating both sides wrt
gives

So we have

or

Answer:
Interest would be 1200
Step-by-step explanation: