Answer:
B. supplementary angles
Step-by-step explanation:
it should be step 2
a
Step-by-step explanation: ya boi got at least a 90 in all classes
I think I may be wrong check
5(x^2n-1)×(2x^3n-1) ^2
=20n3 x8 -20n2 x5 +20n x3 +20n x3 +5n x2-5
here