Answer:
A⊥X
Step-by-step explanation:
Since
A is perpendicular to Y
A⊥Y
And, X is parallel to Y
X || Y
Which means that they have the same slope (same inclination)
That implies that A must be also perpendicular to X
A⊥X
Is there more to this question?
Answer:
72y2-45
Step-by-step explanation:
9y2 + 9(7y2 - 5)
you multiply the 9 by the stuff in the parentheses
9y2 + 63y2 - 45
72y2-45
Answer:
8
Step-by-step explanation:
12x+24+8x-4=180degree
=20x+20=180
=20x=180-20
=20x=160
=x =8