A pencil pouch has 12 pencils and 30 led pencils, What is the ratio of
pencils to led pencils?

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?