If a inequality has a closed dot what does it mean in terms of possible solutions

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?