A.
Step-by-step explanation:
A is a rational number because it is a numerator p and a non-zero denominator w
2x^2-5xy-y^3 if x=-3, and y=-2
2(-3)^2- 5(-3)(-2) -(-2)^3
=2(9) - 5(6) - (-8)
= 18 - 30 + 8
= -4
I hope this will help you
The solution is 43.
