I’m not 100% sure but part a is 144 part b is the composite
Answer:
She did not separate her friends into different groups, and she didn't apply a treatment.
Step-by-step explanation:
Alice decides to ask 25 of her friends if they listen to music while they do their homework and what their grades are.
She finds that her friends who have high grades also listen to music while they do their homework.
She tells her parents that she has proven that listening to music while doing homework will cause her grades to improve.
First of all it cannot be proven like this way.
Secondly, she did not use a random sample, and did not separated her friends into groups and applied treatment.
So, the answer is She did not separate her friends into different groups, and she didn't apply a treatment.
Answer:
a. the domain is 1 ≤ x ≤ 6
b. the cost of 4 sandwhiches is $8
Step-by-step explanation:
A. The domain is all of the possible x values (the range is all of the y values)
B. By finding the x value of 4 you can then trace it up until it intersects with the slope or your data points. Then you look left and see which y-value is associated with the x-value.
I hope this was helpful! Good Luck!
6 4/9, hope this helps tell me if you need and explanation
At the end of 3 years, your savings will have grown to $483.
You will have earned in $83.17 in interest.
