4n + 12 + 7n
To simplify this expression, combine like terms.
The like terms are 4n and 7n, so add them together.
11n + 12 is your answer.
Answer:
8.4 , 7.7
Step-by-step explanation:
- 0.7
The answer is 80 because 80 divided by 10 = 8
Answer:
1 is 90
2 is 52
Step-by-step explanation:
1 is a right angle so its 90
for 2 angles in a triangle equal to 180
so 180-90-38 is equal to 52