Scientific notation is writing numbers as a product of a power of 10 to shorten them.
Anything can be measured in trams lol
Answer:
The answer is (C)
.
Step-by-step explanation:
Now, to find the equation for finding the length, in minutes, of a phone call that costs the same under either plan.
<em>Let the phone charges per minute be</em> 
So, to get the equation of the phone plan A as the phone plan A charges $1.25 for the first minute and after that $0.15 for every minute:


Now, to get the equation of the phone plan B as given phone plan B charges a $0.90 connection fee and $0.20 per minute:

As, the phone call that costs the same under either plan.
Thus:

Therefore, the answer is (C)
.
Answer:
They fall into
tax bracket.
Step-by-step explanation:
We need to calculate their tax return jointly, which tax bracket will they fall into.
Given :-
A taxpayer had a taxable income of $42,700, and his spouse had a taxable income of $48,100.
If they wish to file their tax return jointly then

In married filling jointly table
The combine salary
lies between
so, the tax bracket is 
Therefore, they fall into
tax bracket.