Answer:
A. - 4
Step-by-step explanation:
f(4) = 4(4) - 20 = 16 - 20 = - 4
Answer:

And for this case that represent the 5.6% of the homeless persons who are veterans
Step-by-step explanation:
We know that in a survey of 250 homeless persons 14 were veterans. We can find the estimated proportion of homeless persons who are veterans with the following formula:

The last one is an unbiased estimator of the true population proportion p
And replacing the info given we got:

And for this case that represent the 5.6% of the homeless persons who are veterans
Answer:
she gets paid 15$ a hour
Step-by-step explanation:
divide 120 by 8
The numbers are 5 and 2.
Reciprocals: 5- 5/10
2- 2/10
(2/10)+(5/10)= 7/10
5-2= 3
Answer: 5 and 2