A polygon has vertice at (-1, 1), (1, 1), (1, -1), and (-1, -1). What is the perimeter, in units, of the polygon?

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

How many grams the dog will eat in 3 days?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.