B. x2 – 9
C. x2 + 6x – 9
D. x2 – 6x + 9
I can't focus.
Answer:
The answer is B.
Step-by-step explanation:
This problem represents a "the Sum and Difference of the same two terms".
If you encounter the same two terms and just the sign between them changes, rest assured that the result is the square of those two terms. Also, the second term will always be negative.
For example:
So, in this case:
Therefore, the answer is B.
What is the youngest age Warren can be?
m - Marty's age
w - Warren's age
Marty is 3 years younger than 6 times his friend Warren's age.
6 times his friend Warren's age ----- 6w
Marty is 3 years younger than 6 times his friend Warren's age.
(1) m = 6w - 3
(2) m + w > 11
Substitute (1) into (2).
6w - 3 + w > 11
7w > 14
w > 2
Warren can be as young as 3 years old.
Answer:
1/2
Step-by-step explanation: