<span>The partial derivative of the given function with respect to x is
a - by/cx2 + dy/dx
In this derivative the terms in the with x is only considered other or treated as constant
The partial derivative of the given function with respect to y is
b/cx+ d2y/dx.
In this derivative the terms in the with x is only considered other or treated as constant</span>
1. we know she needs 3 packs of biscuits
2. Shop A you only need to pay for 2 packs
3. Shop B you only need to pay for 2 packs
4. Shop C you need to pay for all three
5. so we know C is out of the option.

so shop A and B will cost the least
Answer:
x=3
Step-by-step explanation:
-6x=-8x+6
+8 +8
2x=6
2/2 6/2
x=3
The area of the rectangular garden given the length and width is 16 1/2 square feet
<h3> Area of the garden</h3><h3 />
- Length = 5 1/2 feet
- Width = 3 feet
Area of a rectangular garden = length × width
= 5 1/2 feet × 3 feet
= 11/2 × 3
= 33/2
= 16 1/2 square feet
Learn more about area:
brainly.com/question/8409681
#SPJ1