3 - x - 3 x 2 square greater than zero in sign chart

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle