I need help with this problem

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?