Answer:
5
Step-by-step explanation:
mean = sum of all values÷number of observation
= 3+7+5+6+4 ÷ 5
= 5
Y = x + 5
Just add 5 to the number of hours to get the total cost.
Answer:non proportional
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
The thousandths place is the third digit after the decimal place. In this case, the digit in the thousandths place is 9. Note that this is the thousand<em>ths</em> place, not the thousands place.
