Answer:
D
Step-by-step explanation:
Yes, Mr. Yule’s sample is random and representative of the population
Answer:
a=−3 and b=1
Step-by-step explanation:
9.25 I think. Multiply 5 by .3 and subtract that from 20. Divide what you get from the subtraction by 2
Answer:
60 songs
Step-by-step explanation:
Hey there!
When dealing with percents, whenever you see the were is or was, it is an equal sign. Here, we see that 45% of the music she listened to was country, and 27 songs were country.
0.45x=27
Now, we solve.
x=60
Therefore, Brianna listened to 60 songs.
I hope this helps!
