Answer:
wfcfzgcfxfdsdfgfd
Step-by-step explanation:
gfgboy
6 books at $ 8 = (6 * 8) = 48
if he got a discount of 20%, then he paid 80%
0.80(48) = 38.40 <== what he paid

The given figure shows a vertical hyperbola with its centre at origin, and as we observe the figure, we can conclude that :
Length of transverse axis is :


length of conjugate axis is :


Equation of hyperbola ~

plug in the values ~


Answer:
2
Step-by-step explanation:
3-4+4+(-1) (-4+4=0)
=3-1
=2