The object distance for a concave lens is 2.0 cm, and the image distance is 8.0 cm. the height of the object is 1.0 cm. what is the height of the image?

1.0 cm
4.0 cm
0.25 cm
16 cm

If you answer 2+2 you will get over 80 points

In the geometric progression –3, 12, −48… what term is 3,072?

(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.