Can someone me i have posted questions yesterday and others but no one has me in return. i am doing a math project and i need points that are parallel that can make a square. anyone? .

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 1)

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2