Answer:
5
8
14
Step-by-step explanation:
1. 
(Answer)
{As we know that 
for a ≠ 0}
2. 
(Answer)
{We know, 
}
3. 
(Answer)
Note: When there is no brackets, we perform the operation of '×' and '÷' first and then we perform the operation of '+' or '-'
1) Americans spend 418,784.358 minutes on the toilet in their life time.
2) 85,096.56 minutes if you are at the age of 16.
The answer is (-∞.∞).
Draw out a number line. Plot 0 and -4 on the number line.
Shade to the left of x = 0, and have a filled in circle at the endpoint. This is the graph of x≤0
Then graph x ≥−4 by plotting a filled in circle at -4, and shading to the right.
Note how the two graphs overlap to cover the entire real number line
So if we have x≤0 or x≥−4 then we're basically saying x is any real number. To write this in interval notation, we write (−∞,∞)
This is the interval from negative infinity to positive infinity (or just infinity). We exclude each endpoint because we can't actually reach infinity itself. Infinity is not a number. Infinity is a concept
Side note: if you change the "or" to "and", then the solution to x≤0 and x≥−4 would be [-4, 0][−4,0] to indicate the interval from x = -4 to x = 0, including both endpoints. This is the region where the two graphs overlap.
To know more about graphs
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SPJ9
Wouldn’t it be 144° because each one is equal to the next ? I may be wrong but you never know
