The first four terms of a sequence are shown below: 9, 5, 1,-3
Which of the following functions best defines this sequence?
Of(1) = 9, f(n + 1) = f(n) = 4; for n 2 1
© f(1) = 9, f(n + 1) = f(n) + 4; for n = 1
O f(1) = 9, f(n + 1) = f(n) - 5; for n 2 1
Of(1) = 9, f(n + 1) = f(n) + 5, for n 2 1

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.