Answer:
3n-7
Step-by-step explanation:
Answer:
5cm
Step-by-step explanation:
5cm * 5cm = 25cm
Answer:
6x+19
Step-by-step explanation:
First thing first, we need to multiply the 6 into the equation. We do this by multiplying the x and 2 by 6.
6(x+2)+7
Multiply
6x+12+7
Now we need to combine like terms by adding the 12 and 7
6x+19
There it is simplified.
Answer:
7. b
8. a
Step-by-step explanation: