3 -1i + 21i -7i2 now you have to fix the last factore because you have to change the imaginery i this would give you the answer of 3 - 1i + 21i +7 now add common factor which would give you the final answer of 3 +20i +7
There is little context to go off of but the answer should be variable
Answer:
1000
7/100
Step-by-step explanation:
10×10×10is 100
Answer: markers are a dollar each and pencils are twenty five cents each
Step-by-step explanation:
2x1 = 2
5x.25 = 1.25
2+1.25= 3.25
4x1 = 4
6x.25= 1.50
4+1.30 = 5.50
Hope this helps and if you need me to explain it better feel free to ask!
The percentage rate of increase is 36.2% and the exponential function represent the growth.
<h3>What is an exponential function?</h3>
It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent 
where 'a' is a constant and a>1
We have exponential function:

If we compare with

If 1+r > 1
1.362 > 1
So the growth rate r is
1 + r = 1.362
r = 0.362
r = 0.362×100
r = 36.2%
Thus, the percentage rate of increase is 36.2% and the exponential function represent the growth.
Learn more about the exponential function here:
brainly.com/question/11487261
#SPJ1