I do not know how to show the working out but its 4+6+6
Answer: 
This is the same as
and it is also equivalent to 
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Explanation:
n is some placeholder for a number
one fourth of that number is
which is the same as
or
since 1/4 = 0.25
From here, we subtract off 2 to get
as one possible final answer.
Answer: t= Distance/Speed = 4/28= 1/7
Step-by-step explanation:
Speed is 28miles /hr
Distance = 4miles
Distance = Speed × time
Time(t) = Distance /Speed
9xy2-6x2y+5x3. Change every sign in the equation as if you were multiplying each part by -1.
Answer:
9
Step-by-step explanation:
(2)2 + 5 = 4 + 5 = 9