Expression Which expressions are equivalent to 3x + 3(x + y)?
Choose all answers that apply:
A
6x + 3y
B
3(x+2+ y)
C
3.xy

Identify reflection rule on a coordinate plane that verifies that triangle a(-1,7), b(6,5), c(-2,2) and a’(-1,-7), b(6,-5), c’(-2,2) triangle are congruent when reflected over the x-axis