Please Help! Hurry! (I have 2 simple questions)

1.) Marcy concludes that the following system of equations has one solution.
y = 3x + 6
y = -2x + 10
Which characteristic of the equations did she use to reach this conclusion?
A. They have different slopes.
B. They have the same two variables.
C. They have y on the same side of the equation.
D. They have the same slope, but different y-intercepts.

2.) Which system of equations has no solution?

A.) x + y = -6
x + y = 12

B.) y= 2x + 5
y= -3x + 1

C.) y = 4x - 8
y = 2x - -4

D.) -5x + y = 7
x + 3y = 5

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.

Sove the equation 6c + 11 = 2c + 59

Naomi draws a portion of a figure as shown she wants to construct a line segment through r that makes the same angle with qr as pq what figure shows the next step to construct a congruent angle at r