45 people per square kilometer. If the region covers 33 square kilometers, what is the population of the region?

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree

Choose the correct translation for the following statement. it is at most ten. x< 10 x< 10 x> 10 x> 10

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.