Answer:

Step-by-step explanation:
We plug in
into
to get:

<em>Here,
is the imaginary number
</em>
To get absolute value of an imaginary number, we use the following formula:

So absolute value of
is:

Answer:
B
Step-by-step explanation:
They all separately bought items therefore the number of items will be discrete. But they spent the same time all together,therefore total time will be continuous.
Answer:
a 10
Step-by-step explanation:
40-5=35
35/7=5
5+5=10
Answer:
e=19.6h
Step-by-step explanation:
If in 21 hours, she earns 411.60 dollars, then we need to find how much she makes in ONE hour.
21 h 1 hour
--------- = ------------------
411.60 dollars xdollars
To get from 21 to 1, I would have to divide by 21, right? So, do the same for the denominators.
411.60 / 21= $19.6
Now, since we know the unit rate, we can make an equation!
e=19.6h