1. Recent reports discussing the population bomb A. verify that the population will expand above 20 billion B. indicate that the explosion is slowing C. show that it doesn’t matter since food supply grows equally fast D. show that the population of the world is now decreasing

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 is always true when two whole numbers are subtracted?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great