Answer:
i have no idea lol make it more clearer
Answer:
4
Step-by-step explanation:
since it's all addition, we can remove the parentheses

Now we combine like terms


We subtract both sides by 12 to get,

now we divide both sides by 11


93 students play an instrument because you would take 310 (the total amount of students) and multiply it by 0.3 (the thirty percent) and get 93
Answer:
A. -5
Step-by-step explanation:
-9 + 4 = -5
hope this helps