Answer:
9.5 its easy you shouldn't need an explantion if you need comment below for one.
Answer:
The additive inverse is 
, and the multiplicative inverse is -2.
Step-by-step explanation:
Hope this helped!
Answer:
x=4.5 or 9/2
Step-by-step explanation:
=
Then, cross multiply
6×X=6x
9×3=27
6x=27
x=4.5
<span>monoalphabetic cipher uses a fixed subtitution over the entire message</span>
Answer:
2 minutes
Step-by-step explanation:
You can make an equation to model the question.
y=60 initial starting value,
y=(750-720)x, plug in 60 for y,
60=30x, x = 2 minutes
