Answer:
24 = 60 x 0.4 or 24 = 60 x 40%
Step-by-step explanation:
24 / 0.4 = 60 so 24 = 60 x 0.4
use rise over run to solve your answer
X = -b/2a = 8/2 = 4
y = 16 -8*4 -9 = 16 - 32 -9 = -25
the wertex is (4,-25)
It is C) 2.55 because i was taught that you can subtract the negative from the positive. 5.35-2.8=2.55 and it is positive