Each package weighs 6 pounds. Choose the best estimate of the total weight of the packages.2,400 pounds 240 pounds 200 pounds 20 pounds.
Answer:

Step-by-step explanation:
Let the numbers be 
Such that:

Make z the subject

For their product to be maximum, we have:

Substitute
in 

Open bracket

Differentiate w.r.t x and y


Since the products are maximum, then 
For 

Factorize:

Split

Make y the subject

For 

---------------------------------------------------
Substitute y = 0


Factorize



---------------------------------------------------
Substitute 



Re-arrange


Factor x out

Divide through by x



Recall that: 


Take LCM


Recall that:


Take LCM


Hence, the numbers are:

This is indeed a linear equation. y-4x=9 in standard form is y=4x+9.
Answer:
your answer is c 24 divided by 3
Step-by-step explanation:
PEMDAS
Parenthesis/exponents/multiplication and division from left to right/addition and subtraction from left to right
C:x, in the bottom equation