Vertex a in quadrilateral abcd lies at (-3, 2). if you rotate abcd 180° clockwise about the origin, what will be the coordinates of a′ of the rotated quadrilateral a′b′c′d′?
a.
(3, -2)
b.
(-3, 2)
c.
(-2, 3)
d.
(-3, -2)

What are the soultion(s) to the quadratic equation 40- x^2=0

The area of square garden is 300m squared. how long is the diagonal?

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?