Answer:
(5 + 3i)(5 − 3i) = 34
Step-by-step explanation:
The multiplication of two identical binomials who have different symbol, can be solved using the factoring case of a difference of squares:

So, in this case:


Remember that 
So: 
We replace on the polynomial:

You would have to divide by 3.14 to find the radius squared, and to find the diameter, just add the radius plus the radius.
15 - natural (1,2,3...15....) and integers (...-2,-1,0, 1,2,...15,...)
Answer:
Step-by-step explanation:
Find the unit rate for this painting:
3/5 of wall surface 3/5 15 9
------------------------------- = --------------- * --------- = -----------
(8/15) hour 8/15 15 8
Jane could actually paint the whole wall plus 1/8 more of it in one hour.
Answer:
thats right
Step-by-step explanation: