write an expression with (-1) as its base that will produce a negative product, and explain why your answer is valid.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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?

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.