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:
The slope:
Step-by-step explanation:
-To determine the slope of the following points shown, you need this formula:
( represents the slope, represents the first coordinate and represents the second coordinate)
-Apply the following points to the formula:
Then, solve:
So, the slope is .
0.33 because it’s closer to one.
You can multiply 16<span> by 3 (the only prime factor of </span>24<span> not shared by </span>16), to find the LCM<span>: 3 * </span>16<span> = 48</span>
-- So 48 is the answer