Use the number line to find the difference A 6.5
B-15
C-6,5
OD 1.5

Helpp plsss :)

Reflect the point (7,0) across the y-axis

What is the absolute value of the complex number -4-sqrt2i

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