Me give brainLEST and answer it

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

How many and of which kind of roots does the equation f(x)=x3−x2−x+1

Theo found the driving distance from glacier national park to yellowstone park to be 448 miles. theo used a map that had a ratio of 5cm/300mi. how many centimeters is the distance on the map? round to the nearest unit if necessary. 4 centimeters 7 centimeters 64 centimeters 90 centimeters