What method(s) would you choose to solve the quadratic equation −2x2 + 8x + 13 = 0? Justify your choice.

A. Quadratic formula or graphing; the equation cannot be factored, and the leading coefficient is not equal to 1.
B. Factoring or graphing; the equation can be factored, and the leading coefficient is an integer.
C. Quadratic formula or factoring; the equation can be factored, and the leading coefficient is not equal to 1.
D. Quadratic formula; the equation cannot be factored, and the leading coefficient is an integer.

(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.