You want to estimate the number of students in your school who support extra funding for the school music club. You survey every sixth student who enters the school. Determine whether the sample is biased or unbiased.

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Find two numbers if their ratio is 4: 7 and their difference is 123.