Can y’all help me please hurry!!

Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

What are the domain and range of the function f(x)=2^x+1