Answer:
Hello!!
If the ratio of girls to boys in a class is 3:5, the fraction of the class that are girls is...

Hope this helps!!
Answer:
m = 3
Step-by-step explanation:
Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.
Step-by-step explanation:
multiply it
x²-3x+3x-9=0
x²-9=0
x²=9
square root both side we get
x=3
Answer:
B and D
Step-by-step explanation:
Take a look at all the options x=4, 3, 1, 2 > 0
So, we just care about the domain where x>0, which is
.
Then plug in x we will have the right answer.