Simplify 54x9 y7 .
a) 3x4 y3 6 b) 3x4 y3 6xy c) 9x4 y3 6xy d) 9x3 y3 6xy

Find the value of x for which abcd must be a parallelogram -9-6x x-30

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

Triangle xyz has vertices x(1,3), y(0,0)