The perimeter of a rectangle painting in an art museum measures 108 in the length of the painting is 3 in less than twice of the width Which system of equations can be used to determine L the length of the painting and W the width

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

What is 20+(5 x 2/5 )+ 3 show your work

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?