Alejandro buys lunch for him and his friend for $20.50. He leaves a 15% tip and the sales tax is 6%. How much is the total cost of their lunch with
tax and tip included?
PLSS HELP! 30 POINTS

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school