Answer:
gradient = - 
Step-by-step explanation:
Calculate the gradient m using the gradient formula
m = 
with (x₁, y₁ ) = (- 1, 2) and (x₂, y₂ ) = (3, 1) ← 2 points on the line
m =
=
= - 


where
is the Jacobian matrix for the transformation,

We have

so that the integral is

Multiply 20 by 5 and you get 100, please tell if this is what you wanted!
So she rode the Ferris Wheel 4 times. 8/2= 4
Answer:
11
Step-by-step explanation:
5 1/2 x 2= 11