Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.8x^2 + 12x + 25.8 where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above ground.

how far horizontally from its starting point will the rocket land? (round your answer to the nearest hundredth.)

a). 25.80 m
b). 37.00 m
c). 17.24
d). 16.91

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.