I’m pretty sure the correct answer is B
Answer: B. Every 10th students that enters the cafeteria
Explanation:
B is a random sample, while A, C, and D are biased.
Answer:
n=-6
Step-by-step explanation:
-3n-4n-17=25
-7n-17=25
-7n=42
n=-6
your calculations for volume (pi x r^2 × h) and surface area (2 × pi × r (h+r)) are correct. However your ratio are incorrect. From the formulas the ratio of surface area to volume would be r×h:2(h+r)
