Factor completely. begin expression . . 9 times x raised to the second power, minus 25 . . end expression a begin expression . . the quantity . . 3 times x, minus 5 . . raised to the second power . . end expression b begin expression . . 9 times the quantity . . x minus . . begin fraction . . 25 over 9 . . end fraction . . raised to the second power . . end expression c begin expression . . the quantity . . 9 times x, plus 25 . . times the quantity . . x minus 1 . . end expression d begin expression . . the quantity . . 3 times x, minus 5 . . times the quantity . . 3 times x, plus 5 . . end expressionit gotta be a or d

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

(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.