PLZ HELP! Which of the following is NOT an example of a random sample?

A. Placing the names of 100 people in the population in a box and drawing 25 names without looking.

B. Choosing a name at random from the names on a list of 100 people in the population, choosing every 10th person after that, and continuing through the list, returning to the first name chosen.

C. Dividing a list of names in a target population into males and females and randomly selecting a proportional sample from each group.

D. Choosing the first 50 names on an alphabetical list of 100 people in the target population.

Acable company wants to provide cell phone service for residents on an island. the function for the cost of laying the cable from the island to the mainland is c(x)= 6.500 square root x2+4, where x represents the length of the cable in feet. what are the domain and range of the function? a) domain: all real numbers range: all real numbers greater than or equal to 17,000 b) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 17,000 c) domain: all real numbers greater than or equal to 0 range: all real numbers greater than or equal to 13,000 d) domain: all real numbers greater than or equal to 13,000 range: all real numbers greater than or equal to 0

What function has a range {yly< 5}? question on picture above^

Describe the graph of 3x+2> 2 and 3x< 6