Answer:
In 22 minutes the remaining cell phone battery will be unknown.
In a of minutes the remaining cell phone battery will be 50%.
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Given

--- distance from building
--- height of the building
Let the height of the building be H. So:


Make H the subject


The required height s:



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<em> --- approximately</em>
Answer: 1:4
Step-by-step explanation: It is 7:28, but simplified is 1:4.
Answer:
The function in quadrant I, where y is increasing upward.
Step-by-step explanation:
The smaller x becomes, the larger f(x) becomes. The answer is that f(x) or y approaches infinity as x becomes smaller and smaller. This helps to understand why division by zero is undefined.
Here you go! Hope this helps!! :-)