Chris found a pair of shoes at shoemart for $30.00 . if she paid a total of $32.10 for shoes, at the cash register, what was the sales tax rate?

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

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.