Answer:
Step-by-step explanation:

Answer:
-
i
Step-by-step explanation:
Given
Multiply numerator/ denominator by i
=
[ i² = - 1 ]
= 
= -
i
Here are the answers to problem 1..
a) 11
b) 5/36
c) 25 Times because 7 has a probability of 16.667%
d) 25 Times because 10, 11, and 12 have a probability sum of 16.667% ironically...
Hope this helps. :)
Substitute in y= equation into 2nd equation to start.
(2,5)
Multiple 6 with numbers inside paranthesis:
12x - 66 + 15 = 21
add 66 fhen substrack 15 from both sides :
12x = 72 divide both sides with 12:
x = 6