Add a dry cleaning store it cost $1.79 to clean a man's dress shirt and six times i supposed to clean a suit choose the answer that correctly completes the statement

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

What is the reflection image of (5,-3) across the line y = -x?