Evaluate x = 4 and y=5.
x? + 2(x + y)

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?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Need this asap if anyone can i would be very grateful. if you could show workings that would really