Answer:
B. (x+3)(2x2−7)
Step-by-step explanation:
2x3 + 6x2 - 7x- 21
(2x3+6x2)(-7x-21)
2x2(x+3)-7(x+3)
(x+3)(2x2-7)
Answer:

Step-by-step explaination:
We were told that:
therefore to see if it is correct you can just input the values for x and y and see if they add up to 6 (add the vertical values). For example;when x = 1, y = 5 or when x = 2, y = 4
Answer: Our required equation will be 
Step-by-step explanation:
Since we have given that
Base salary of Karen = $2000
Rate of commission on all of her sales = 20%
We need to write a equation:
Let the total salary of her be 's'
Let the number of dollars of merchandise sold be 'd'
According to question, it becomes

Hence, our required equation will be 
Answer: The expression which represents the condition described is given as 
Step-by-step explanation:
Since we have given that
Amount that Molly owes her brother = $300
Let the number of hours she worked as a checker be x
Cost of per hour = $10
Amount she get after doing work for x hours is given by

Rate of tax are taken out = 80%
So, amount she left with is given by

So, Molly plans to repay her brother half of what she earns is given by

According to question,

So, the expression which represents the condition described is given as
