Answer:
Step-by-step explanation:
The largest factor that will divide evenly into both 32 and 48 is 16.
Thus, 32 - 48 = 16(2 - 3), or 16 (-1), or just -16.
Are you sure there wasn't more to this problem?
Yup. the x axis is the base and the y axis is the height, so it’s right.
The average cost in 1990 is <span>$12,841.</span>
Calculate area of the white region inside circle.
Area of the two white triangles in top left and bottom right:

Area of the two white quarter circles in the bottom left and top right:

Total area of unshaded white region inside circle:

Area of entire circle including the white and shaded regions

Area of shaded region is area of entire circle - area of unshaded white region
