Which choices are correctly written in scientific notation? Check all that apply 17.1 times 10 Superscript 3 8.05 times 10 Superscript 3 6.25 times 4 Superscript 3 4 times 10 Superscript negative 16 22.09 times 10 Superscript negative 9 3.03 times 10 Superscript negative 1 5 times 10 Superscript 10 3.44 times 1 Superscript 10

Find the equation using the point (4,8)

Which expression gives you the distance between the points (5,1)and(9,-6)

(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.