Tony began putting together a rectangular puzzle. he completed the top edge and left edge of the puzzle, each piece is a square that has a side length of 2 1/2 centimeters

If the value of cos330°is√3/2 then find cos 165°.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0