The maximum distance that the light on a lighthouse can reach is 20 miles. If the light can rotate 360 degrees, find the total space that it can light.
First of all, it might help to draw a picture. Then, decide if you are finding the Area or the Circumference and be sure to use the correct formula.

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1