A wall has an area of 40 square feet. Its height is 8 feet. Which equation could you
use to find its width?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

When y’all answer can y’all explain too !