Witch of these is a unique polygon? 1. triangles with angles 30 50 100 degrees 2. a quadrilateral with each side 5 cm 3. a triangle with side lenghts 6, 7, and, 8 cm 4. a triangle with side lengths 4 cm and 5cm and a 50 degree angle Please this timed

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

5/6+7/8what is the answer sealsdbdbshd

Acircle has a circumference of 7.850 units. what is its radius?