The vertices of an isosceles trapezoid ABCD are at A(0,0), B(2,5), D(8,0), and C(x, y). a. What are the coordinates of vertex C?

b. What is the length of a diagonal?
GUYS PLEASE ITS A QUIZ I HAVE TO SUBMIT IN 20 MINUTES

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?