2 Which of the following Interpretations for the given expression is correct?
(5y2 - 7)3
(2y)2
O A. the cube of the difference of 5 times the square of y and 7 all divided by the square of 2 times y
O B. the cube of the difference of 5 times the square of y and 7 all divided by times the square of y
© C. of the cube of the difference of the
square of 5 times y and 7 all divided by the square of 2 times y
O D. the difference
of the cube of 5 times the square of y and 7 all divided
by 2 times the square of y

(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.

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15

5. write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3)