Part A: the area of a square is (4x^2-12x+9) square units. Determine the length of each side of the square by factoring the area expression completely. show your work. Part B: the area of a rectangle is (16x^2-9y^2) square units. Determine the dimensions of the rectangle by factoring the area expression completely. show your work.

#5 points possible: 3. total attempts: 5 using your calculator, find the range and standard deviation, round to two decimals places: the table below gives the number of hours spent watching tv last week by a sample of 24 children. 76 57 89 73 88 42 31 46 80 42 38 57 49 50 89 36 69 82 27 88 39 89 95 18 range = standard deviation =