A biologist grows a culture of bacteria as part of an experiment. At the start of the experiment, there are
75 bacteria in the culture. The biologist observes that
the population of bacteria doubles every 18 minutes.
Which of the following equations best models the
number, », of bacteria + hours after the start of the
experiment?

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base