Sketch of the normal distribution of my data set with the mean and empirical rule: 6, 6, 4, 2, 4, 6.5, 8, 5, 7, 5

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Which number line correctly shows 0.8 + 0.3?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat