86.88 kilometers is 53.98 miles
Answer:
B.
Step-by-step explanation:
The easiest way is to substitute 8 for x in the first equation,
3/4 divided by 4 is 0.1875
Answer:
x^2 -7x-18
Step-by-step explanation:
(x-9)(x+2)
FOIL
first x*x = x^2
outer 2x
inner -9x
last -9*2 =-18
Add together
x^2 +2x-9x-18
Combine like terms
x^2 -7x-18
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