Answer:
x-(x times 33%) or x times (100-33)%
Step-by-step explanation:
Yes it is, and don't worry, I hate school too! Amazing username!
r-12
substitute in r=7
so 7-12 = -5
n - 4 = 16 Given
+ 4 + 4 Cancel out 4 to isolate n variable
n = 20
Prove.
20 - 4 = 16
16 = 16
True.
Answer:A)0.75
Step-by-step explanation:
Given
There are four options to a question
out of which one is correct with 4 points
one is wrong but carries 1 point
Other two are wrong with a negative Point
Probability of selecting an option is 
Expected score
Expected score=1+0.25-0.5
Expected score=0.75