The area of a square is 81cm2.Find the length and perimeter.

Listed below are the measured radiation absorption rates? (in w/kg) corresponding to 11 cell phones. use the given data to construct a no plot and identify the 5- number summary

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

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?