Adoor opening is 2 meters high. if there is a 39 centimeter gap between the top of casey's head and the top of the door opening, how tall is casey

Right ∆abc has coordinates a(-7, 3), b( -7, 10), and c(-1, 3). the triangle is reflected over the x - axis and then reflected again over the y - axis to create ∆a'b'c'. which are the coordinates of vertex a'?