Answer:
D
Step-by-step explanation:
<span>

* </span><span>x-4/x^2-8x+16
Hope that helps
</span><span />
Answer:0
Step-by-step explanation:2 4ac
2×4×-2×0=0
The problem is about converting a decimal into a fraction, and simplify it:
<span>0.40 = 0.4 = four tenths = 4/10 = 2/5
that is the simplest fraction</span>
Answer:
x = 70
Step-by-step explanation:
45+2x-5 = 180
2x = 180 - 40
x = 140/2
x = 70