4 points Quadrilateral ABCD is plotted with coordinates A(6,0), B(-2,-4), C(-6,-1),
D(-2,6). Using coordinate geometry, prove that ABCD is a trapezoid."
y
10
D
-10
C
10
B
-10+
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3. find the radius of circle p.4. find y.

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

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)