Astore decreases the price of an item from $120 tp $96. whats the percent decrease ?

Use set buikder notation to represent the following set: {, -2, -1, 0}

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field