What is the value of x and how can you justify it?

Ahomeowner plans to hang wallpaper on one wall of a bedroom that is 10 feet long if a stripe of wallpaper is 20 inches wide and stripes or hung vertically how many stripes on wall paper with the homeowner required

What is 32+4 x (16 x 1/2) -2 show your work}

In which form is the following function written? y = - 2(x – 3)(x + 5)