Pamibaby or brooke monk?

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?