Answer:
I do not know if there is this worksheet online which comes with answers, but you can post questions here on brainly, and I can help you clarify them!!
:>>
Answer z=2
See picture attached for the math

we don't have solutions !!
Answer:
<h2>

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Solution,
Let the points be A and B
A(-4 , 1)------>( X1, y1)
B(2,4)---------->( x2, y2)
Now,
Gradient:





Hope this helps...
Good luck on your assignment...