Maura writes an expression equivalent to 8a 2 (23 2 5a) 2 2a. Her work is shown below. 8a 2 (23 2 5a) 2 2a Step 1: 8a 1 3 2 5a 2 2a Step 2: (8a 2 5a 2 2a) 1 3 Step 3: (3a 2 2a) 1 3 Step 4: a 1 3 In what step does Maura make a mistake? Describe her error and find the correct equivalent expression.

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)