Answer:
perpendicular (90 deg to each other)
Step-by-step explanation:
D
Due to the question being the question
Answer:
a / (a - 4) = a(a + 4) / ((a - 4)(a + 4)) = (a^2 + 4a) / (a^2 - 16) = -(a^2 + 4a) / (16 - a^2)
I did this on a calculator may or may not be correct but I got 18
Answer:
X = 2
Y = 8
Step-by-step explanation:
X is 2 because half of 4 is 2 and Y is 8 because double of 4 is 8.