Joe went to the store and bought six packs of pens for $1.79 each, five erasers for $.89 each and a pack of paper for $3.29. He had a coupon for 25% off and then had to pay 6% tax. What was the final cost of his purchase?

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

What is the total surface area of this square pyramid?