13. A rectangular piece of paper is twice as long as a square piece and 3 cm wider. The area of the rectangular piece is 108 cm2. Find the dimensions of the square piece.

What is the rotational symmetry of a wheel

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation