Katherine went to Hibbet sports and spent $125.50 on a pair of shoes and $12.25 on a t-shirt. If the sales tax is 8.25%, how much will she pay in all?

How much was the total purchase without tax?

How much was the tax?

How much will she pay in all, purchase plus tax

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.