The area, in square units, of a rectangle is represented by 6x^3 - 2x^2+ 4x. if the width is 2x what is the length?

Arecipe calls for 32 fluid ounces of heavy cream. how many 1 pint containers of heavy cream are needed to make the recipe?

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?