Answer:
9000mm
Step-by-step explanation:
You multiply 9 by 1000 to turn m to mm
<h3>The cost per baseball is $ 0.25</h3>
<em><u>Solution:</u></em>
Given that,
A sporting complex charges $6 to use its facility
<em><u>The expression that models the total cost to hit b baseballs in the batting charges is:</u></em>
Total cost = 0.25b + 6
From given,
6 represents the charge to use the facility
"b" is the number of baseballs
0.25 represents the cost per baseball
Thus, cost per baseball is $ 0.25