A population of mosquitoes is growing in a pond. Suppose that the initial population (at day ) is 420 mosquitoes and the population doubles in size every 3 days. Assume that the mosquito population grows exponentially. a. Write a function to model the number of mosquitoes in the pond. b. How many mosquitoes will be in the pond after 20 days? Show algebraic work to support your answer. c. When are there 10,000 mosquitoes? Show algebraic work to support your answer.

Find an equation of the line perpendicular to the graph.

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion