Need nw!
darren and quincy wanted to justify that the expression 1/6 (6x+12) - 1/2 (4x + 2) is equivalent to -x+1. their justifications are shown below.

which explains who is correct?

a. only darren is correct because he substituted x = 2 into the expressions.

b. only quincy is correct because he substituted a number that is the same as the denominator of one of the fractions.

c. both are correct because after substituting the same value into both expressions, the result is the same.

d. both are correct because they substituted different values into each expression

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

(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.

The slope of the line whose equation is 3y = 2x - 3 is 2 2/3 3/2