Answer:

Step-by-step explanation:
Given.
Sally started with two feets of cloth.
Total cloth = 
She used
of a foot of the cloth to make a pillow cover.
And another
of a foot of the cloth to make a table cloth.
She used total cloth to make a pillow cover and table cloth = 

Total used cloth by Sally = 
The equation for remaining cloth
remaining cloth = total cloth - used cloth
remaining cloth 
remaining cloth 
remaining cloth 
remaining cloth 
Sally has remaining cloth =
feets
For this case we have the following function:

<span>Deriving t</span><span>he function we have:
</span>

We now evaluate the function for the value of x = 5.
We have then:
Answer:
the derivative of f(x) = 4x + 7 at x = 5 is:
4
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Answer:
58 yds (squared yards) 6 × 7 = 42, 4 × 4 = 16; 42 + 16 = 58
hope this helps!