A photograph with length L and width W is placed on a mat so that there is a border of width 8 cm. The area of the border (in square centimeters, or cm2) is found to be A=(L+16)(W+16)−L⋅W. See the figure below. Find the area, in square centimeters, of the border for a photograph with length 32 cm and width 24 cm

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a