9 because 1,800 divided by 200 is 9
Evaluate
at
:

Compute the line element
:

Simplifying the integrand, we have

Then the line integral evaluates to

Answer:
I can’t see the picture well please make it more detailed
Step-by-step explanation:
Cross multiply
2x(3x-4) = 3(x+2)
5x - 8x = 3x + 6
-3x= 3x+6
x = 6
I think
Answer:
I'm not sure about "11" but 12. is "by the definition of right angles", and 16. is "by the SAS(side angle side) congruency theorem"