It took Jenny 2 hours to knit 1/3 of a scarf. How many hours will it take for her to make
one scarf?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

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