The profit would be 5% of 400, or

, that is, $20 for profit! Not much, I suppose...
2= f/8
Mutiply both sides by 8
(2/(8)= 16
f/8(8)= f ( crossed out 8 and 8)
Answer: f= 16
I think its.......5/15=1/3
Answer:
B
Step-by-step explanation:
The probability of obtaining a 3 is
P(3) = 
Then after 30 spins the predicted number of times it should land on 3 is
30 ×
= 5
Answer:
y=x-8 and y=-x+4
Step-by-step explanation:
The slopes of the lines can be anything, as long as they are the opposite reciprocals of each other. Then you can plug in the point for x and y to solve for b in both lines (for y=mx+b where m is the slope)