Answer:
119
Step-by-step explanation:
A: because "reflection across the y axis then across the x axis is the only option that does not work"
X-3y because 8x+2x-9x is x
Answer:
B
Step-by-step explanation:
x³ + y³ ← is a sum of cubes and factors in general as
x³ + y³ = (x + y)(x² - xy + y²)
with trinomial factor (x2 - xy + y2) → B
