To round the length and width to the nearest whole number for Alyssa's wall, you can simply round each dimension to the nearest whole number:
The height of the wall, 8.3 feet, rounded to the nearest whole number is 8 feet.
The width of the wall, 7.5 feet, rounded to the nearest whole number is 8 feet.
So, the rounded dimensions for Alyssa's wall are 8 feet in height and 8 feet in width.