2ab + a^3 + 5a^2b^2 - 2b^3
= a^3 - 2b^3 + 2ab + 5a^2b^2 (this is the expression in standard form)
Answer:
(1, 5), (3, 19) (-1, -9)
Step-by-step explanation:
really need the choices
Answer:
its the Pentagon, the other shaps have 2 lines if symmetry
Answer:
57
Step-by-step explanation:
Angle IHK and JKH are alternate angles.
Alternate angles are equal