Answer:
a / (a - 4) = a(a + 4) / ((a - 4)(a + 4)) = (a^2 + 4a) / (a^2 - 16) = -(a^2 + 4a) / (16 - a^2)
400,7,000 i think im not quit sure i dont know
Answer:
It's the Best answer B
Step-by-step explanation:
Because yes is línea test
You no understand put the B answer friend
#1 is 4 for the 1st quartile
Answer:
9 g/cm³
Step-by-step explanation:
density = mass/volume
d = 81/9
d = 9 g/cm³