Answer:
13.9
Step-by-step explanation:
Use the distance formula:

The square root of 193 rounded to the nearest tenth is 13.9.
It would be, 6.72/3 = $2.24
She should use a computer to select 30 students at random then ask which ones play chess. The other options could produce more skewed results.
Answer:
Step-by-step explanation:
Use math-way go quick and easy answers without step by step explanations, and use math-soup-calculator for step by step explanation