B -13 -34i
(7 + 2i)(-3 - 4i)
Take the 7 then times it buy the second bracket 7x(-3-4i) then take 2i from the first bracket and times it with the second bracket 2ix (-3-4i)
Then keep simplifying
1) 1
2) 2
hope this helped :)
I think it’s -1 please mark brainly
Length of floor = length of room = 7.5 units
Width of floor = 
* Width of Room = * 
⇒ Width of floor = 1.067 units
Answer:
211 / 41 = 5 hours
Step-by-step explanation:
the total was 211 dollars, so you can add 25 dollars and 16 dollars together. That gives us 41 dollars. 211 divided by 41 is approximately 5 hours.
Hope it helps!
