Which property is not used to simplify the following expression? 2. (x + 5) + 7x = (2x + 10) + 7x
= (10 + 2x) + 7x
= 10 + (2x + 7x)
= 10 + 9x
= 9x + 10
O commutative property of multiplication
O commutative property of addition
O associative property of addition
o distributive property

Find the roots of the equation below. x^2 - 6 + 9 = 0

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)