A. E-Commerce, I took a tech class :)
Answer:
The correct answer is 63.
Step-by-step explanation:
Answer:
Step-by-step explanation:
we have
-------> 
we know that
The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
Remember that

Answer:
The slope is 4x while the y-intercept os 2.This equation represents starting with 2 and adding 4x cards each week.
Answer:
and Liz can ship maximum 19.6 pounds.
Step-by-step explanation:
Let the possible weight of the medium flat-rate box = w pounds.
It is given that there is a box weighing 6 ounces i.e. 0.375 pounds.
Plus, the maximum weight of the package is 20 pounds.
So, we get,
The inequality representing the situation is,
Weight of medium box + 0.375 pounds ≤ Maximum weight of the package
i.e. 
i.e. 
i.e. 
Thus, Liz can ship maximum 19.6 pounds.