(no) eroy collected data on the number of hours that each staff member at eroy's electronics slept night. mary the manager slept for 9 hours, cam the cashier slept for 3 hours, teddy the truck driver slept for 7 hours, and sierra the security guard slept for 4 hours. find the median number of hours of sleep.

the Answer is 5.5

Step-by-step explanation:

lets sort it from least to greatest

3 4 7 9

then you Aline them

3 4 7 9

median is in the middle

3 4 7 9

the median is the mean of the two middle numbers

4+7

 2

so it equals 5.5

the anwser is d) 75°

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.