Answer:

Step-by-step explanation:
So we have the equation:

First, distribute the 7 into the (x+8) and simplify:

Combine the like terms 7x and 8x by adding them together:

Subtract 56 from both sides to isolate the x:

Divide both sides by 15 to get x:

Answer: x = 3
Step-by-step explanation:
x + 9 = 12
x = 12 - 9
x = 3
Answer:
330
Step-by-step explanation:
-$737737373hhhehehwywuuuwu
Answer:
i am pretty sure it's B correct me if i am wrong
Step-by-step explanation:
The probability that the next 4 winners will all be 7th grade students is 3/4