Answer: -4
Step-by-step explanation: If you add all the numbers marked, -7 + -4 + -3 + 2 + 7 you will get -4.
Answer: 7n
Step-by-step explanation:
Because....
First Remove the parentheses (a) = a
= 11n - 3n - n
Then add similar elements: 11n - 3n - n = 7n
= 7n
* Hopefully this helps:) Mark me the brainliest:)!!
~ 234483279c20~
3. 5mn ( 2m + 6n + 1 )
4. 4a^3b^2c ( 18a^2b - 8c )
5. (X-15)(X+15)
6. -4(y-4.5)(y+4.5)
8. 2X(X-10)(X+10)
i am not sure if no. 8 is right
Every body has two hands so we have to multiply 66 by 2.
66 multiplied by 2 is equal to 132
The answer is 132.
hope it helps.
Can you choose mine as the brainliest answer <u><em>please please?</em></u>
Answer:
ok I will help
Step-by-step explanation: