A sample of residents in a certain community is chosen by first partitioning the community into 8 districts and then choosing a random sample of 30 people from
each district.
Simple random sample
Stratified sample
Clustered sample
Systematic sample
Convenient sample
Voluntary response sample

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

Which statement best describes the polynomial

Write a story that matches with the expression 42x-5 pls hurry