Which expression is equal to (5x2)x7

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

Which of the following is true for the relation f(x)=2x^2+1

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -