I’m stuck between B and D but not sure which one is correct Which function's graph has a period of 2?

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

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?