It costs x dollars each to make the first thousand copies of a compact disk and y dollars to make each subsequent copy. If z is greater than 1000, how many dollars will it cost to make z copies of the compact disk?

Restrictions on f(x) = 1/x+5 and g(x) = x-2

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.

The product of 3 and a number increased by 8 is 31 written as an equation